{"id":23270,"date":"2025-07-17T16:41:34","date_gmt":"2025-07-17T11:11:34","guid":{"rendered":"https:\/\/www.pickl.ai\/blog\/?p=23270"},"modified":"2025-07-17T16:41:36","modified_gmt":"2025-07-17T11:11:36","slug":"data-integrity-in-dbms","status":"publish","type":"post","link":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/","title":{"rendered":"What is Data Integrity In DBMS and Why Does It Matter?"},"content":{"rendered":"\n<p><strong>Summary: <\/strong>Data integrity in DBMS means maintaining accurate, consistent, and reliable data throughout its lifecycle. It is enforced through rules like entity, referential, domain, and user-defined integrity. These constraints prevent duplicate, invalid, or orphan data, ensuring trustworthy records and supporting robust database management for businesses and individuals alike.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Introduction\" >Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Data_Integrity_in_DBMS_The_Foundation_of_Reliable_Data\" >Data Integrity in DBMS: The Foundation of Reliable Data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#What_are_Integrity_Constraints\" >What are Integrity Constraints?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Why_are_Integrity_Constraints_Important\" >Why are Integrity Constraints Important?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Common_Data_Integrity_Example\" >Common Data Integrity Example<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Types_of_Integrity_Constraints\" >Types of Integrity Constraints<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#1_Entity_Integrity_Constraints\" >1. Entity Integrity Constraints<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Entity_Integrity_Data_Integrity_Example\" >Entity Integrity Data Integrity Example<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#2_Referential_Integrity_Constraints\" >2. Referential Integrity Constraints<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Referential_Integrity_Data_Integrity_Example\" >Referential Integrity Data Integrity Example<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#3_Domain_Integrity_Constraints\" >3. Domain Integrity Constraints<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Domain_Integrity_Data_Integrity_Example\" >Domain Integrity Data Integrity Example<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#4_User-defined_Integrity_Constraints\" >4. User-defined Integrity Constraints<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#User-Defined_Integrity_Data_Integrity_Example\" >User-Defined Integrity Data Integrity Example<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Types_of_Data_Integrity_in_DBMS\" >Types of Data Integrity in DBMS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#1_Domain_Integrity\" >1. Domain Integrity<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Example\" >Example:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#2_Entity_Integrity\" >2. Entity Integrity<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Example-2\" >Example:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#3_Referential_Integrity\" >3. Referential Integrity<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Example-3\" >Example:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#4_User-Defined_Integrity\" >4. User-Defined Integrity<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Example-4\" >Example:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#What_is_data_integrity_in_database\" >What is data integrity in database?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#What_is_integrity_in_DBMS\" >What is integrity in DBMS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#What_are_the_4_types_of_data_integrity\" >What are the 4 types of data integrity?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#What_are_the_7_principles_of_data_integrity\" >What are the 7 principles of data integrity?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#Conclusion_Take_Charge_of_Your_Data_Quality\" >Conclusion: Take Charge of Your Data Quality<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"introduction\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong>Introduction<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In the digital world where businesses, organizations, and even individuals store gigantic volumes of information, making sure that data is <strong>accurate, trustworthy, and reliable<\/strong> is not simply a \u201cnice-to-have\u201d\u2014it\u2019s an absolute necessity. This is where <strong>data integrity in <\/strong><a href=\"https:\/\/www.pickl.ai\/blog\/first-normal-form-in-dbms\/\"><strong>DBMS (Database Management Systems)<\/strong> <\/a>comes into play.&nbsp;<\/p>\n\n\n\n<p>Whether you are shopping online, using a food delivery app, or managing your own business data, you are relying on unseen systems that keep your data consistent and error-free behind the scenes.<\/p>\n\n\n\n<p>But what exactly is <strong>data integrity in DBMS<\/strong>? Why is it so important, and how do these systems ensure that our everyday digital experiences remain smooth and trustworthy? In this blog, we\u2019ll break down these concepts in simple terms, highlight real-life <strong>data integrity examples<\/strong>, and answer the most common questions on this subject.&nbsp;<\/p>\n\n\n\n<p>We will also explore the <strong>types of data integrity in DBMS<\/strong>, the role of <strong>integrity constraints<\/strong>, and their usefulness for both individuals and businesses.<\/p>\n\n\n\n<p><strong>Key Takeaways:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data integrity in DBMS maintains accuracy and prevents unauthorized changes.<\/li>\n\n\n\n<li>Entity integrity relies on unique primary keys for each table record.<\/li>\n\n\n\n<li>Referential integrity ensures valid table relationships using foreign keys.<\/li>\n\n\n\n<li>Domain integrity restricts column values to allowed formats and ranges.<\/li>\n\n\n\n<li>User-defined integrity supports custom rules for business-specific requirements<\/li>\n<\/ul>\n\n\n\n<h2 id=\"data-integrity-in-dbms-the-foundation-of-reliable-data\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_Integrity_in_DBMS_The_Foundation_of_Reliable_Data\"><\/span><strong>Data Integrity in DBMS: The Foundation of Reliable Data<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As the amount of digital data grows exponentially, so do the risks of having errors, inconsistencies, and misleading information. This is particularly critical in databases that store sensitive information\u2014like bank records, health records, and e-commerce transactions.<\/p>\n\n\n\n<p><strong>Data integrity in DBMS<\/strong> refers to the overall accuracy, consistency, and reliability of data stored within a database. It involves a series of processes, rules, and technical mechanisms that safeguard data from unintentional changes, corruption, or unauthorized access. It is the promise that the valuable data in your database is saying exactly what it should\u2014and nothing else.<\/p>\n\n\n\n<p>For example, imagine if a bank\u2019s customer database allows two customers to have the same account number, or if someone can make a payment on an account that doesn\u2019t exist. Such mistakes can lead to massive losses, compliance violations, and a loss of customer trust. That\u2019s why <strong>data integrity in database<\/strong> systems is a fundamental requirement across all industries.<\/p>\n\n\n\n<h2 id=\"what-are-integrity-constraints\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_Integrity_Constraints\"><\/span><strong>What are Integrity Constraints?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To maintain this high level of trust and reliability, DBMSs make use of <strong>integrity constraints<\/strong>. But what are integrity constraints, and why do they matter?<\/p>\n\n\n\n<p><strong>Integrity constraints<\/strong> are specific rules and limitations designed to ensure that data entered into a database is both accurate and meaningful. They are built into the structure of the database, automatically checking and enforcing these rules whenever data is inserted, updated, or deleted.<\/p>\n\n\n\n<h3 id=\"why-are-integrity-constraints-important\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_are_Integrity_Constraints_Important\"><\/span><strong>Why are Integrity Constraints Important?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>They prevent:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Duplicate records<\/li>\n\n\n\n<li>Invalid or incomplete data entries<\/li>\n\n\n\n<li>Relationships between data that make no sense (for instance, a sales record for a customer that doesn\u2019t exist)<\/li>\n\n\n\n<li>Breaking of business rules (such as allowing adults-only products to be purchased by minors)<\/li>\n<\/ul>\n\n\n\n<h3 id=\"common-data-integrity-example\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Data_Integrity_Example\"><\/span><strong>Common Data Integrity Example<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Suppose an online store\u2019s database prevents two different customers from registering with the same email address. This simple integrity constraint not only prevents confusion in their order system but also blocks malicious attempts to create fake or duplicate profiles. This is a classic <strong>data integrity example<\/strong>.<\/p>\n\n\n\n<h2 id=\"types-of-integrity-constraints\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Integrity_Constraints\"><\/span><strong>Types of Integrity Constraints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXf1CcBvMmSaNNS2zsgRJiFCYP4xLCfEQF4KdPRv3Ts4YgD2UaLz7XT8llX2jnYAWYJSqULrTGyJ4wz71iK68RvqpSG3aCwqFxtKoCslJRENVBQ0mv9cqZMRKqNK4rE6544W-TNOKw?key=H8zMj5CXujvBIHARAYjdzA\" alt=\" Types of integrity constraints\"\/><\/figure>\n\n\n\n<p>Integrity constraints are not one-size-fits-all. There are different types, each keeping your data safe in a unique way. Let\u2019s explore the main types of integrity constraints that help enforce <strong>data integrity in DBMS<\/strong>:<\/p>\n\n\n\n<h3 id=\"1-entity-integrity-constraints\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Entity_Integrity_Constraints\"><\/span>1. <strong>Entity Integrity Constraints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Purpose:<\/strong> To make sure that each row (or \u201crecord\u201d) in a database table is unique and can be identified independently.<\/li>\n\n\n\n<li><strong>Technical Approach:<\/strong> The system uses a <strong>primary key<\/strong> (one or more columns whose values are guaranteed to be unique for every record).<\/li>\n<\/ul>\n\n\n\n<h4 id=\"entity-integrity-data-integrity-example\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Entity_Integrity_Data_Integrity_Example\"><\/span><strong>Entity Integrity Data Integrity Example<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Consider a <strong>Customer<\/strong> table with columns for CustomerID, Name, and Email. Entity integrity ensures that the CustomerID is unique for each customer\u2014no duplicates and no blanks. If someone tries to add another record with a CustomerID that already exists, the DBMS will not allow it.<\/p>\n\n\n\n<h3 id=\"2-referential-integrity-constraints\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Referential_Integrity_Constraints\"><\/span><strong>2. Referential Integrity Constraints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Purpose:<\/strong> To make sure relationships between tables stay logical and consistent.<\/li>\n\n\n\n<li><strong>Technical Approach:<\/strong> Uses <strong>foreign keys<\/strong>\u2014these are columns in one table that refer to the primary key column in another table.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"referential-integrity-data-integrity-example\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Referential_Integrity_Data_Integrity_Example\"><\/span><strong>Referential Integrity Data Integrity Example<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Assume you have two tables\u2014<strong>Orders<\/strong> and <strong>Customers<\/strong>. The Orders table has a CustomerID column that links (as a foreign key) to CustomerID in the Customers table. You can\u2019t put an Order in the database for a CustomerID that doesn\u2019t exist in the Customers table. Trying to do so will result in an error.<\/p>\n\n\n\n<h3 id=\"3-domain-integrity-constraints\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Domain_Integrity_Constraints\"><\/span><strong>3. Domain Integrity Constraints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Purpose:<\/strong> To make sure that data entered in a column matches the allowed values, types, formats, and ranges.<\/li>\n\n\n\n<li><strong>Technical Approach:<\/strong> Restricts values (e.g., only numbers between 0 and 100, allowed date formats, non-null values, etc.)<\/li>\n<\/ul>\n\n\n\n<h4 id=\"domain-integrity-data-integrity-example\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Domain_Integrity_Data_Integrity_Example\"><\/span><strong>Domain Integrity Data Integrity Example<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>If your <strong>Product<\/strong> table has a Price column defined to accept only positive numbers, the DBMS will reject any attempt to input negative prices or text.<\/p>\n\n\n\n<h3 id=\"4-user-defined-integrity-constraints\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_User-defined_Integrity_Constraints\"><\/span><strong>4. User-defined Integrity Constraints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Purpose:<\/strong> To implement specific business rules unique to an organization.<\/li>\n\n\n\n<li><strong>Technical Approach:<\/strong> These are custom-built rules, often using triggers, stored procedures, or additional logic.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"user-defined-integrity-data-integrity-example\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"User-Defined_Integrity_Data_Integrity_Example\"><\/span><strong>User-Defined Integrity Data Integrity Example<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Your bookstore offers a 10% discount, but only for customers who have placed more than five orders. The DBMS can enforce this rule so the discount cannot be wrongly applied.<\/p>\n\n\n\n<h2 id=\"types-of-data-integrity-in-dbms\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Data_Integrity_in_DBMS\"><\/span><strong>Types of Data Integrity in DBMS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfnuSn1W_Qp20Ep1oYydWRyGSRmnF4T3T25Q4ETscXLNAwQlmy25QdWBHRS-_zCFfcLjnyIsI9sZ3z6LqQJ06Wd_zzceVbR2STw_KJbez01OxNWZuuAbVBb1Xzk4klQS-rdm_x2rQ?key=H8zMj5CXujvBIHARAYjdzA\" alt=\"Types of Data Integrity\"\/><\/figure>\n\n\n\n<p>When you look at the concept as a whole, <strong>data integrity in DBMS<\/strong> can be divided into several core types. Understanding these types helps you better appreciate how modern digital systems keep information clean and trustworthy.<\/p>\n\n\n\n<h3 id=\"1-domain-integrity\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Domain_Integrity\"><\/span><strong>1. Domain Integrity<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Domain integrity ensures that all values in a column fall within a specific, valid set or domain, such as data type, format, or range. This type of integrity prevents invalid data entries, like text where numbers are required or dates in the wrong format, keeping your database consistent and reliable.<\/p>\n\n\n\n<h4 id=\"example\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example\"><\/span><strong>Example:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>A &#8220;Price&#8221; column in a products table accepts only positive numbers. Entering a negative price or text value is not allowed.<\/p>\n\n\n\n<h3 id=\"2-entity-integrity\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Entity_Integrity\"><\/span><strong>2. Entity Integrity<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Entity integrity guarantees that each table has a primary key and every record can be uniquely identified. The primary key must always have a unique, non-null value, ensuring that no two rows are identical and each record is identifiable.<\/p>\n\n\n\n<h4 id=\"example-2\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example-2\"><\/span><strong>Example:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>In an &#8220;Employees&#8221; table, the &#8220;EmployeeID&#8221; column (set as primary key) cannot have duplicate or missing values. Every employee must have a unique EmployeeID.<\/p>\n\n\n\n<h3 id=\"3-referential-integrity\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Referential_Integrity\"><\/span><strong>3. Referential Integrity<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Referential integrity maintains logical relationships between tables by ensuring that a foreign key value always points to an existing, valid record in another table. This avoids orphan records and preserves consistency across related tables.<\/p>\n\n\n\n<h4 id=\"example-3\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example-3\"><\/span><strong>Example:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>An &#8220;Orders&#8221; table may have a &#8220;CustomerID&#8221; column as a foreign key referencing the &#8220;CustomerID&#8221; in the &#8220;Customers&#8221; table. It\u2019s not possible to have an order linked to a non-existent customer.<\/p>\n\n\n\n<h3 id=\"4-user-defined-integrity\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_User-Defined_Integrity\"><\/span><strong>4. User-Defined Integrity<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>User-defined integrity applies specific business rules not covered by other constraints. These are custom restrictions that enforce unique requirements and policies of the organization, ensuring data meets business standards.<\/p>\n\n\n\n<h4 id=\"example-4\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example-4\"><\/span><strong>Example:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>A company allows discounts only for purchases above $100. A user-defined rule in the database prevents discounts on lower-value transactions.<\/p>\n\n\n\n<p>Each of these data integrity types helps keep your DBMS data accurate, consistent, and trustworthy for reliable business operations.<\/p>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Frequently Asked Questions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 id=\"what-is-data-integrity-in-database\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_data_integrity_in_database\"><\/span><strong>What is data integrity in database?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Data integrity in a database<\/strong> means making sure that every piece of data is accurate, complete, consistent, and valid throughout its lifecycle\u2014from entering the database to being used, updated, or deleted. This protects the data from errors, duplication, or meaningless information.<\/p>\n\n\n\n<h3 id=\"what-is-integrity-in-dbms\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_integrity_in_DBMS\"><\/span><strong>What is integrity in DBMS?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Integrity in DBMS<\/strong> refers to the set of rules (integrity constraints) that ensure data remains correct, accurate, and reliable inside the database. These rules prevent invalid data entry and maintain trusted relations between data records.<\/p>\n\n\n\n<h3 id=\"what-are-the-4-types-of-data-integrity\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_4_types_of_data_integrity\"><\/span><strong>What are the 4 types of data integrity?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The standard <strong>four types of data integrity in DBMS<\/strong> are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Entity Integrity:<\/strong> Each row is unique and identifiable.<\/li>\n\n\n\n<li><strong>Referential Integrity:<\/strong> Relationships between tables are valid.<\/li>\n\n\n\n<li><strong>Domain Integrity:<\/strong> Each column contains valid data as per defined rules.<\/li>\n\n\n\n<li><strong>User-defined Integrity:<\/strong> Custom rules for business needs.<\/li>\n<\/ol>\n\n\n\n<h3 id=\"what-are-the-7-principles-of-data-integrity\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_7_principles_of_data_integrity\"><\/span><strong>What are the 7 principles of data integrity?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>While DBMS typically discusses four main types, the <strong>7 principles of data integrity<\/strong> are widely recognized in regulated industries and can be summarized as:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Attributable:<\/strong> Every data entry can trace to its source\/person.<\/li>\n\n\n\n<li><strong>Legible:<\/strong> Data is readable and permanent.<\/li>\n\n\n\n<li><strong>Contemporaneous:<\/strong> Data recorded at the time of the activity.<\/li>\n\n\n\n<li><strong>Original:<\/strong> Information is the original record or an authorized copy.<\/li>\n\n\n\n<li><strong>Accurate:<\/strong> Data is correct, truthful, and consistent.<\/li>\n\n\n\n<li><strong>Complete:<\/strong> All required data are present.<\/li>\n\n\n\n<li><strong>Consistent:<\/strong> Data entered and maintained using the same standards over time.<\/li>\n<\/ol>\n\n\n\n<p>These overlap with DBMS constraints and help organizations maintain trust in their database systems.<\/p>\n\n\n\n<h2 id=\"conclusion-take-charge-of-your-data-quality\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion_Take_Charge_of_Your_Data_Quality\"><\/span><strong>Conclusion: Take Charge of Your Data Quality<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In today\u2019s fast-moving world, data integrity in <a href=\"https:\/\/www.pickl.ai\/blog\/dbms-architecture\/\">DBMS<\/a> is critical, whether you\u2019re a business owner, entrepreneur, student, or IT professional. By understanding and applying integrity constraints, you make sure your data is accurate, reliable, and consistent, thus avoiding costly mistakes and building trust with users and customers.<\/p>\n\n\n\n<p>Are you interested in learning how to implement these best practices yourself? Want to unlock the secrets of database management, analytics, or system design? Join our comprehensive DBMS course or explore our tailored database services. We help you master real-world data integrity examples, from basics to business-level expertise. Invest in your data, invest in your future!<\/p>\n\n\n\n<p>By prioritizing and understanding data integrity in DBMS, you secure your information and pave the way for smart, reliable decisions in every digital interaction.<\/p>\n","protected":false},"excerpt":{"rendered":"Ensures reliable, accurate, consistent data using entity, referential, domain, and user-defined integrity constraints.\n","protected":false},"author":4,"featured_media":23271,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[46],"tags":[4084],"ppma_author":[2169,2632],"class_list":{"0":"post-23270","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-data-science","8":"tag-data-integrity-in-dbms"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What is Data Integrity in DBMS?<\/title>\n<meta name=\"description\" content=\"Data integrity in DBMS ensures data accuracy, consistency, and reliability through entity, referential, domain, and user-defined integrity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Data Integrity In DBMS and Why Does It Matter?\" \/>\n<meta property=\"og:description\" content=\"Data integrity in DBMS ensures data accuracy, consistency, and reliability through entity, referential, domain, and user-defined integrity.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/\" \/>\n<meta property=\"og:site_name\" content=\"Pickl.AI\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-17T11:11:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-17T11:11:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/07\/image2-3.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Neha Singh, Khushi Chugh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Neha Singh\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/\"},\"author\":{\"name\":\"Neha Singh\",\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/#\\\/schema\\\/person\\\/2ad633a6bc1b93bc13591b60895be308\"},\"headline\":\"What is Data Integrity In DBMS and Why Does It Matter?\",\"datePublished\":\"2025-07-17T11:11:34+00:00\",\"dateModified\":\"2025-07-17T11:11:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/\"},\"wordCount\":1665,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/image2-3.png\",\"keywords\":[\"Data Integrity in DBMS\"],\"articleSection\":[\"Data Science\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/\",\"url\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/\",\"name\":\"What is Data Integrity in DBMS?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/image2-3.png\",\"datePublished\":\"2025-07-17T11:11:34+00:00\",\"dateModified\":\"2025-07-17T11:11:36+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/#\\\/schema\\\/person\\\/2ad633a6bc1b93bc13591b60895be308\"},\"description\":\"Data integrity in DBMS ensures data accuracy, consistency, and reliability through entity, referential, domain, and user-defined integrity.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/image2-3.png\",\"contentUrl\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/image2-3.png\",\"width\":800,\"height\":500,\"caption\":\"Data Integrity Hierarchy\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/data-integrity-in-dbms\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Data Science\",\"item\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/category\\\/data-science\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"What is Data Integrity In DBMS and Why Does It Matter?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/\",\"name\":\"Pickl.AI\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/#\\\/schema\\\/person\\\/2ad633a6bc1b93bc13591b60895be308\",\"name\":\"Neha Singh\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/pickl.ai\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/avatar_user_4_1717572961-96x96.jpg3d1a0d35d7a1a929f4a120e9053cbdb5\",\"url\":\"https:\\\/\\\/pickl.ai\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/avatar_user_4_1717572961-96x96.jpg\",\"contentUrl\":\"https:\\\/\\\/pickl.ai\\\/blog\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/avatar_user_4_1717572961-96x96.jpg\",\"caption\":\"Neha Singh\"},\"description\":\"I\u2019m a full-time freelance writer and editor who enjoys wordsmithing. The 8 years long journey as a content writer and editor has made me relaize the significance and power of choosing the right words. Prior to my writing journey, I was a trainer and human resource manager. WIth more than a decade long professional journey, I find myself more powerful as a wordsmith. As an avid writer, everything around me inspires me and pushes me to string words and ideas to create unique content; and when I\u2019m not writing and editing, I enjoy experimenting with my culinary skills, reading, gardening, and spending time with my adorable little mutt Neel.\",\"url\":\"https:\\\/\\\/www.pickl.ai\\\/blog\\\/author\\\/nehasingh\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"What is Data Integrity in DBMS?","description":"Data integrity in DBMS ensures data accuracy, consistency, and reliability through entity, referential, domain, and user-defined integrity.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/","og_locale":"en_US","og_type":"article","og_title":"What is Data Integrity In DBMS and Why Does It Matter?","og_description":"Data integrity in DBMS ensures data accuracy, consistency, and reliability through entity, referential, domain, and user-defined integrity.","og_url":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/","og_site_name":"Pickl.AI","article_published_time":"2025-07-17T11:11:34+00:00","article_modified_time":"2025-07-17T11:11:36+00:00","og_image":[{"width":800,"height":500,"url":"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/07\/image2-3.png","type":"image\/png"}],"author":"Neha Singh, Khushi Chugh","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Neha Singh","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#article","isPartOf":{"@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/"},"author":{"name":"Neha Singh","@id":"https:\/\/www.pickl.ai\/blog\/#\/schema\/person\/2ad633a6bc1b93bc13591b60895be308"},"headline":"What is Data Integrity In DBMS and Why Does It Matter?","datePublished":"2025-07-17T11:11:34+00:00","dateModified":"2025-07-17T11:11:36+00:00","mainEntityOfPage":{"@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/"},"wordCount":1665,"commentCount":0,"image":{"@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#primaryimage"},"thumbnailUrl":"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/07\/image2-3.png","keywords":["Data Integrity in DBMS"],"articleSection":["Data Science"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/","url":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/","name":"What is Data Integrity in DBMS?","isPartOf":{"@id":"https:\/\/www.pickl.ai\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#primaryimage"},"image":{"@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#primaryimage"},"thumbnailUrl":"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/07\/image2-3.png","datePublished":"2025-07-17T11:11:34+00:00","dateModified":"2025-07-17T11:11:36+00:00","author":{"@id":"https:\/\/www.pickl.ai\/blog\/#\/schema\/person\/2ad633a6bc1b93bc13591b60895be308"},"description":"Data integrity in DBMS ensures data accuracy, consistency, and reliability through entity, referential, domain, and user-defined integrity.","breadcrumb":{"@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#primaryimage","url":"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/07\/image2-3.png","contentUrl":"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/07\/image2-3.png","width":800,"height":500,"caption":"Data Integrity Hierarchy"},{"@type":"BreadcrumbList","@id":"https:\/\/www.pickl.ai\/blog\/data-integrity-in-dbms\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.pickl.ai\/blog\/"},{"@type":"ListItem","position":2,"name":"Data Science","item":"https:\/\/www.pickl.ai\/blog\/category\/data-science\/"},{"@type":"ListItem","position":3,"name":"What is Data Integrity In DBMS and Why Does It Matter?"}]},{"@type":"WebSite","@id":"https:\/\/www.pickl.ai\/blog\/#website","url":"https:\/\/www.pickl.ai\/blog\/","name":"Pickl.AI","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.pickl.ai\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.pickl.ai\/blog\/#\/schema\/person\/2ad633a6bc1b93bc13591b60895be308","name":"Neha Singh","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/06\/avatar_user_4_1717572961-96x96.jpg3d1a0d35d7a1a929f4a120e9053cbdb5","url":"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/06\/avatar_user_4_1717572961-96x96.jpg","contentUrl":"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/06\/avatar_user_4_1717572961-96x96.jpg","caption":"Neha Singh"},"description":"I\u2019m a full-time freelance writer and editor who enjoys wordsmithing. The 8 years long journey as a content writer and editor has made me relaize the significance and power of choosing the right words. Prior to my writing journey, I was a trainer and human resource manager. WIth more than a decade long professional journey, I find myself more powerful as a wordsmith. As an avid writer, everything around me inspires me and pushes me to string words and ideas to create unique content; and when I\u2019m not writing and editing, I enjoy experimenting with my culinary skills, reading, gardening, and spending time with my adorable little mutt Neel.","url":"https:\/\/www.pickl.ai\/blog\/author\/nehasingh\/"}]}},"jetpack_featured_media_url":"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/07\/image2-3.png","authors":[{"term_id":2169,"user_id":4,"is_guest":0,"slug":"nehasingh","display_name":"Neha Singh","avatar_url":"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/06\/avatar_user_4_1717572961-96x96.jpg","first_name":"Neha","user_url":"","last_name":"Singh","description":"I\u2019m a full-time freelance writer and editor who enjoys wordsmithing. The 8 years long journey as a content writer and editor has made me relaize the significance and power of choosing the right words. Prior to my writing journey, I was a trainer and human resource manager. WIth more than a decade long professional journey, I find myself more powerful as a wordsmith. As an avid writer, everything around me inspires me and pushes me to string words and ideas to create unique content; and when I\u2019m not writing and editing, I enjoy experimenting with my culinary skills, reading, gardening, and spending time with my adorable little mutt Neel."},{"term_id":2632,"user_id":36,"is_guest":0,"slug":"khushichugh","display_name":"Khushi Chugh","avatar_url":"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/07\/avatar_user_36_1722420843-96x96.jpg","first_name":"Khushi","user_url":"","last_name":"Chugh","description":"Khushi Chugh has joined our Organization as an Analyst in Gurgaon. Her expertise lies in Data Analysis, Visualization, Python, SQL, etc. She graduated from Hindu College, University of Delhi with honors in Mathematics and elective as Statistics. Furthermore, she did her Masters in Mathematics from Hansraj College, University of Delhi. Her hobbies include reading novels, self-development books, listening to music, and watching fiction."}],"_links":{"self":[{"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/posts\/23270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/comments?post=23270"}],"version-history":[{"count":4,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/posts\/23270\/revisions"}],"predecessor-version":[{"id":23277,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/posts\/23270\/revisions\/23277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/media\/23271"}],"wp:attachment":[{"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/media?parent=23270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/categories?post=23270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/tags?post=23270"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.pickl.ai\/blog\/wp-json\/wp\/v2\/ppma_author?post=23270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}