{"id":20460,"date":"2025-03-21T09:57:13","date_gmt":"2025-03-21T09:57:13","guid":{"rendered":"https:\/\/www.pickl.ai\/blog\/?p=20460"},"modified":"2025-03-21T09:57:14","modified_gmt":"2025-03-21T09:57:14","slug":"sql-commands-list","status":"publish","type":"post","link":"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/","title":{"rendered":"Everyone Should Know These SQL Commands List in DBMS"},"content":{"rendered":"\n<p><strong>Summary:<\/strong> SQL commands list in DBMS help manage databases efficiently. This guide uses examples to explain DDL, DML, DQL, DCL, and TCL commands. Learn how to create, modify, retrieve, and secure data using SQL. Take your SQL skills to the next level with Pickl.AI\u2019s Data Science courses.<\/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\/sql-commands-list\/#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\/sql-commands-list\/#Understanding_SQL_Commands\" >Understanding SQL Commands<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#How_Are_SQL_Commands_Categorised\" >How Are SQL Commands Categorised?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#Data_Definition_Language_DDL\" >Data Definition Language (DDL)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#CREATE\" >CREATE&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#ALTER\" >ALTER&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#DROP\" >DROP&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#TRUNCATE\" >TRUNCATE<\/a><\/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\/sql-commands-list\/#RENAME\" >RENAME&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#COMMENT\" >COMMENT&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#Data_Query_Language_DQL\" >Data Query Language (DQL)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#SELECT\" >SELECT<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#Data_Manipulation_Language_DML\" >Data Manipulation Language (DML)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#INSERT\" >INSERT&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#UPDATE\" >UPDATE&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#DELETE\" >DELETE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#LOCK\" >LOCK&nbsp;<\/a><\/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\/sql-commands-list\/#CALL\" >CALL&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#EXPLAIN_PLAN\" >EXPLAIN PLAN&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#Data_Control_Language_DCL\" >Data Control Language (DCL)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#GRANT\" >GRANT&nbsp;<\/a><\/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\/sql-commands-list\/#REVOKE\" >REVOKE<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#Transaction_Control_Language_TCL\" >Transaction Control Language (TCL)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#BEGIN_TRANSACTION\" >BEGIN TRANSACTION&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#COMMIT\" >COMMIT<\/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\/sql-commands-list\/#ROLLBACK\" >ROLLBACK<\/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\/sql-commands-list\/#SAVEPOINT\" >SAVEPOINT<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#Other_Essential_SQL_Commands\" >Other Essential SQL Commands<\/a><\/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\/sql-commands-list\/#In_Closing\" >In Closing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#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-31\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#What_are_SQL_commands_in_DBMS\" >What are SQL commands in DBMS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#Why_is_SQL_important_in_database_management\" >Why is SQL important in database management?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.pickl.ai\/blog\/sql-commands-list\/#How_can_I_learn_SQL_from_beginner_to_advanced_level\" >How can I learn SQL from beginner to advanced level?<\/a><\/li><\/ul><\/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>Imagine you have a giant digital notebook where all your important data is stored\u2014SQL is the magic pen that helps you write, erase, and find information quickly. In simple words, SQL (<a href=\"https:\/\/pickl.ai\/blog\/introduction-to-sql-for-data-science\/\">Structured Query Language<\/a>) is used to manage and organise data in databases. Without it, handling data would be a messy job!<\/p>\n\n\n\n<p>In this blog, we\u2019ll break down the SQL commands list in DBMS so you can understand how databases work effortlessly. Whether you\u2019re a beginner or just curious, by the end, you\u2019ll know how SQL commands list help store, retrieve, and manage data like a pro!\u00a0<\/p>\n\n\n\n<p><strong>Key Takeaways<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SQL commands help manage and organise database data efficiently.<\/li>\n\n\n\n<li>DDL, DML, DQL, DCL, and TCL serve different functions in SQL.<\/li>\n\n\n\n<li>SQL is essential for creating, modifying, retrieving, and securing databases.<\/li>\n\n\n\n<li>Mastering SQL enhances data handling skills and career opportunities.<\/li>\n\n\n\n<li>Enroll in Pickl.AI\u2019s Data Science courses to learn SQL from basic to advanced levels.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"understanding-sql-commands\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_SQL_Commands\"><\/span><strong>Understanding SQL Commands<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SQL commands are instructions used to interact with <a href=\"https:\/\/pickl.ai\/blog\/database-vs-data-warehouse\/\">databases<\/a>. They help users store, retrieve, update, and manage data efficiently. Just like giving commands to a computer, SQL commands tell the database what actions to perform. These commands are essential for organising and handling large amounts of information in a structured way.<\/p>\n\n\n\n<h3 id=\"how-are-sql-commands-categorised\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Are_SQL_Commands_Categorised\"><\/span><strong>How Are SQL Commands Categorised?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>SQL commands are grouped based on their purpose. Each category serves a specific function:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Data Definition Language (DDL):<\/strong> These commands help create and modify database structures, like tables.<\/li>\n\n\n\n<li><strong>Data Query Language (DQL):<\/strong> It fetches data from the database.<\/li>\n\n\n\n<li><strong>Data Manipulation Language (DML):<\/strong> These commands add, update, or delete data within a table.<\/li>\n\n\n\n<li><strong>Data Control Language (DCL):<\/strong> It manages access permissions and security.<\/li>\n\n\n\n<li><strong>Transaction Control Language (TCL):<\/strong> These commands help control and manage database transactions to maintain accuracy.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"data-definition-language-ddl\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_Definition_Language_DDL\"><\/span><strong>Data Definition Language (DDL)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Data Definition Language (DDL) is a set of SQL commands used to define and modify the structure of a database. It helps create, change, and remove database objects such as tables, indexes, and schemas.&nbsp;<\/p>\n\n\n\n<p>Simply put, DDL shapes the framework of a database, determining how data is organised and stored. Unlike other SQL commands, DDL does not <a href=\"https:\/\/pickl.ai\/blog\/data-manipulation-types-examples\/\">manipulate actual data<\/a> but focuses on defining the database\u2019s blueprint.<\/p>\n\n\n\n<p><strong>Common DDL commands are:&nbsp;<\/strong><\/p>\n\n\n\n<h3 id=\"create\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CREATE\"><\/span><strong>CREATE&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The CREATE command helps create new database objects such as tables, indexes, views, or stored procedures. It defines the structure by specifying column names, data types, and constraints.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXclHdHveYMgE1XBehi-RGwZ8hNEqmoTdaFLpMGQ9-RvJYj-5Hs7dttKk5pl7gXYXXt3Yp34oBF6hVTINlCGlnZtxs-PhpcvK_7uInKr5jG1yEVI41QYLVDGNA6uUGHDWY5QYtYy?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to create an Employees table.\"\/><\/figure>\n\n\n\n<h3 id=\"alter\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ALTER\"><\/span><strong>ALTER&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The ALTER command updates the structure of a table without deleting existing data. You can add, modify, or delete columns.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXccxLh3mL2F_55tCMgcXHCfggYfk_2oWJLP7oxHwkMP4LdNlTmOOXnq077t1En7dJ83vSCYFIZ2DZpkfvLqy8SD3ecoydIAEALSlIZIZLlD6w1_BP4YMW0NHKEFpDhistzXP94fsg?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to add a Salary column to Employees.\"\/><\/figure>\n\n\n\n<h3 id=\"drop\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DROP\"><\/span><strong>DROP&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The DROP command permanently removes an entire database object, such as a table. Once dropped, data and structure cannot be recovered.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfzvNuTCGPCM7BQ0PXbbsPfts4lyCkCT_UOqJE618K1XByGxN7UpoCGFpFJ9VDeXST3u3JSVwLveGkrx32JdIiLZRHwadgnkkPgZzoKwX8NtUl7n_D5GR_MaB79A2eWKervd8D84A?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to drop the Employees table.\"\/><\/figure>\n\n\n\n<h3 id=\"truncate\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"TRUNCATE\"><\/span><strong>TRUNCATE<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The TRUNCATE command deletes all rows from a table but keeps its structure intact. It is faster than DELETE because it does not log individual row deletions.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcYtCCXUked3xDoxHbYVQrFKY3vSRmV4gPh4TPC7YbQwRGz6Im-aL5s2Z7rziEOXn_kqJoYR7vTKVe_1rxz3xPnw5y1qwWfs-VvX_QkjL_YDoNMs-uB1DHEDp-UYRzVpgg5afZB?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to remove all records from Employees.\"\/><\/figure>\n\n\n\n<h3 id=\"rename\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"RENAME\"><\/span><strong>RENAME&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The RENAME command allows you to change the name of an existing table.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXe-eUX0ykkr-g6loNBgKX6d8mCYu8Ko-L2sdRD0cL-aOJh-qjmbI6BKgUQHpv6LvwNCSWR_2L_27E1dZdSdisKMAXW44Nv3UHuiNO5sZqo35nQ6Mi-_HL9BYJAsMIVqiKEYiDluJQ?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to rename Employees to Staff.\"\/><\/figure>\n\n\n\n<h3 id=\"comment\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"COMMENT\"><\/span><strong>COMMENT&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The COMMENT command lets you add descriptions to database objects to improve documentation.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcVSEHETI_hlH7qOAHUQkzuwoq9waHKKX9firGil_pa_nEjiABjno6cVEdzqL9ow6uGvAjER-44KAfDcSbeS4RTSrKAdP-9_MvfhEH-_VcUC6AaB6kcs-J_vc1Iuw4EuVuIW0jO?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to add a comment to Employees.\"\/><\/figure>\n\n\n\n<h2 id=\"data-query-language-dql\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_Query_Language_DQL\"><\/span><strong>Data Query Language (DQL)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Data Query Language (DQL) retrieves information from a database. It helps users fetch specific data based on conditions or requirements. DQL does not modify or delete data; it simply extracts the needed information for display or further processing.<\/p>\n\n\n\n<h3 id=\"select\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SELECT\"><\/span><strong>SELECT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The SELECT command is the most commonly used DQL statement. It allows users to fetch data from one or more tables in a structured manner. The result appears as a temporary table that stores the requested data.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeJZaP_spYv9D9GH1G2Q8bfijqgrfU7gguhmj6I1N8zA1yjxqdJpz9bBRVjTthiRtshgALpImEvpzdnI65kJ-lVtypBeuf5HO59IOrHRb4vCK7YrDQTavGcSKOeiJBjIfmfbxQrlw?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL query to select employees older than 30.\"\/><\/figure>\n\n\n\n<h2 id=\"data-manipulation-language-dml\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_Manipulation_Language_DML\"><\/span><strong>Data Manipulation Language (DML)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Data Manipulation Language (DML) is a set of SQL commands that help modify and manage data within database tables. While Data Definition Language (DDL) defines the structure of a database, DML focuses on handling the actual data stored in it.&nbsp;<\/p>\n\n\n\n<p>With DML, you can insert new records, update existing ones, or remove unnecessary data from tables. These commands make it easy to manage and organise information dynamically.<\/p>\n\n\n\n<p><strong>Common DML commands are:&nbsp;<\/strong><\/p>\n\n\n\n<h3 id=\"insert\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"INSERT\"><\/span><strong>INSERT&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The INSERT command allows you to add new records to a table. It defines the table name, column names, and values inserted.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeD9VaLjEfj1YV3vzkgmYjiGhmtGPLdtKoQLSHkDOJxYacyamAtRo35MOwQgpxexZq00nzTcbUctZGhugAWRFzOiLd1hvPwvpdNkTv_EPU2UEacleYw68HTukv2y-hDIPvY7vMy1g?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to insert an employee record.\"\/><\/figure>\n\n\n\n<h3 id=\"update\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"UPDATE\"><\/span><strong>UPDATE&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The UPDATE command helps change values in an existing table. It updates specific records based on a condition.<\/p>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdAe5WWAJqjjHD1YJ7GuSOBzGKf6rcJ3M0Cr5RAbFixYz0Z_A30FTOdYP2rJ5k8jJUse_QUMk_upvQHG4bKbZxz6yIVr98tMFz8JSPV8-3zWaRK6KMcYMUAZZSr-JeILT3wPp66sQ?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to update salary for ID 1.\"\/><\/figure>\n\n\n\n<h3 id=\"delete\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DELETE\"><\/span><strong>DELETE<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The DELETE command removes records from a table. You can delete specific records using a condition.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXci3gdSe4GHrKqGqvfwjH0WfxCRCoKhHL3JxgF24FZ7a8rYZ-OL63bB3XiV1Cb4r88bZyFhq8iI61YMr3oqbLvmM2RWVdLP6Ep9dRf9T2UkPYwyOThTeYlSN5s-VfXzfcNWlTxovA?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to delete an employee with ID 1.\"\/><\/figure>\n\n\n\n<h3 id=\"lock\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LOCK\"><\/span><strong>LOCK&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The LOCK command locks a table to prevent other users from modifying it while a transaction is being executed.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXe_rxqVsF_OMjmAW0_9cDwGXi-BX2QFt7ZsZyu6u5HA4bMdq8wbi-hbprF45EONT95eJWWOryYsNWuraNJ4WxXDXJHsstKTZc60MFbsjb8SnWw-m1kUrgOE44yAj_3ZPiegoc3-?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to lock the Employees table.\"\/><\/figure>\n\n\n\n<h3 id=\"call\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CALL\"><\/span><strong>CALL&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The CALL command runs a stored procedure, a pre-defined SQL program stored in the database.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdhfv7ZTybmyMu7bRvA5NnqZHBTeTxG-0exLxRl-6orssmAKjIZ0R4MwpYtREJ4o66S4In-pR_u73vrNHRAEF6DXIGj7MTrL9dMbiKx2gA-pkQmPyhN6hlXWfZwC7AhE_E_-PvVeA?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to call CalculateBonus procedure.\"\/><\/figure>\n\n\n\n<h3 id=\"explain-plan\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"EXPLAIN_PLAN\"><\/span><strong>EXPLAIN PLAN&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The EXPLAIN PLAN command details how an SQL query will be executed, helping users optimise performance.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXddPWTV-BFMVznd-Hsu9ob0ZeqDgPKnxp-Lv5-ahI9mbCGpBUit8KU1u22of0JC-T5Wd3Qmn3maIK2erTve5hS9o9eUrnfHp-S7SknbdONPEtPWjbf4GgE9kw459hATBNxwRVP40g?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to analyse query execution plan.\"\/><\/figure>\n\n\n\n<h2 id=\"data-control-language-dcl\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_Control_Language_DCL\"><\/span><strong>Data Control Language (DCL)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Data Control Language (DCL) helps manage access to a database. It allows <a href=\"https:\/\/pickl.ai\/blog\/most-read-guide-roadmap-to-become-a-database-administrator\/\">database administrators<\/a> to grant or revoke permissions, ensuring that only authorised users can view or modify data. DCL enhances security by preventing unauthorised access and protecting sensitive information.<\/p>\n\n\n\n<p><strong>Common DCL commands are:&nbsp;<\/strong><\/p>\n\n\n\n<h3 id=\"grant\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GRANT\"><\/span><strong>GRANT&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The GRANT command allows administrators to permit users to perform specific actions on database objects like tables and views.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfSP_iwvBcuCOhJIQhJlaVDQrs0AHS-1Y2XF306MtodO4nwZSVj5mg0jflxQMr-n2friLXHbxHuNPVjaPfPqqXm65YFbgFmfv8tSO4gjiRMrC2Gz9i3TWae6riFdWavvd3YaU31og?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to grant SELECT and INSERT to John.\"\/><\/figure>\n\n\n\n<h3 id=\"revoke\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"REVOKE\"><\/span><strong>REVOKE<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The REVOKE command removes previously granted permissions, restricting user access to database objects.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdA9SwObQguq5KtxonU03I4g5RDXRuyzp1Vmcq8VE5bL7u58SczdRFs9DJpwglJ-qJEFMQ0R1tJ1X6LDoJQ6F6U7gP0yUPQEZqdLNzac_AYV1XV92xuZaFXU3YYJ3CKsdzz3ha72w?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to revoke INSERT from John.\"\/><\/figure>\n\n\n\n<h2 id=\"transaction-control-language-tcl\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Transaction_Control_Language_TCL\"><\/span><strong>Transaction Control Language (TCL)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Transaction Control Language (TCL) ensures database integrity by completing a transaction fully or undoing it entirely if any operation fails. If any task within the transaction fails, TCL reverses the entire process to prevent inconsistent data. TCL ensures databases remain reliable and error-free.<\/p>\n\n\n\n<p><strong>Common TCL commands are:&nbsp;<\/strong><\/p>\n\n\n\n<h3 id=\"begin-transaction\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BEGIN_TRANSACTION\"><\/span><strong>BEGIN TRANSACTION&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The BEGIN TRANSACTION command marks the beginning of a new transaction. It treats all the following operations as a single unit.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXf18oIIqvxLohgCOcWNOMajQ0tbes1QvwunsEmwrn-W7r7zRY2ELaV2IIZjc6pg6D4kK_1owrIKsEU2tzjYHzbpykANKDty3F5RhOpUp2jRAYsMCPUpLGBqNZnN37NBYdwFu84d1w?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to begin a transaction.\"\/><\/figure>\n\n\n\n<h3 id=\"commit\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"COMMIT\"><\/span><strong>COMMIT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The COMMIT command saves all changes made during the transaction. Once committed, the changes become permanent and cannot be undone.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcmpjJ-GQv88Zd6kBeuvu0rER7ifSF_dRqS_HsRTCH6wC_B4eqhsIUkLJTRUHl4RRLSrHm-3BuoQwNlgL-4wnMWV0s4Q0fWb5l8cmuGQSu9ofIQa3fwjYN7418e9r8e-hQfVL8btQ?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to commit a transaction.\"\/><\/figure>\n\n\n\n<h3 id=\"rollback\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ROLLBACK\"><\/span><strong>ROLLBACK<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The ROLLBACK command undoes all changes made during the transaction. This command helps revert the database to its previous state if an error occurs.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXecpj78EgmRaj84SY0ubr2SbgP-Xb9lvPUEcoMBXHfsbqYEtIYfB0XuAIV58IjOURLrQpywFa8fS5gU4-XVrpKSaojHVPC7pylPeBxcg2Kjw8sfFRpQelQboKnkFXYB9eVt0sckyg?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to rollback a transaction.\"\/><\/figure>\n\n\n\n<h3 id=\"savepoint\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SAVEPOINT\"><\/span><strong>SAVEPOINT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The SAVEPOINT command allows users to set a checkpoint within a transaction. If needed, they can roll back only to that specific point instead of undoing the entire transaction.<br><strong>Example:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeEb7oi1Vgn4EAOloyXyc4YbtxwC5JOHZgCl9WXnPKDP6cohanTPekRQ5OYJnI8bWkRqBx73whEewL-G6F9Uc7rpVvQV7TZJHZnU4jEl7fWWZNET88HSZSfNcGsS6ch-ots2CkG?key=C7PmvWTcjLcAeULGR4dWdka4\" alt=\"SQL command to create a savepoint.\"\/><\/figure>\n\n\n\n<h2 id=\"other-essential-sql-commands\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Other_Essential_SQL_Commands\"><\/span><strong>Other Essential SQL Commands<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Below are some other necessary SQL commands that you should know:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>WHERE:<\/strong> Filters records based on specific conditions, making queries more precise.<\/li>\n\n\n\n<li><strong>ORDER BY:<\/strong> Sorts query results in either ascending or descending order.<\/li>\n\n\n\n<li><strong>JOIN:<\/strong> Combines data from multiple tables based on a common column, helping retrieve relational data.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"in-closing\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"In_Closing\"><\/span><strong>In Closing<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Mastering SQL commands list is essential for efficiently managing and organising databases. Whether you are retrieving, modifying, or securing data, understanding SQL commands simplifies database interactions. From beginners to advanced users, SQL is a valuable skill for anyone working with data.<\/p>\n\n\n\n<p>If you want to deepen and apply your SQL knowledge to real-world projects, consider enrolling in <a href=\"https:\/\/www.pickl.ai\/\">Pickl.AI\u2019s Data Science courses<\/a>. These courses cover basic and advanced SQL, helping you build strong database management skills. Start your SQL learning journey today and unlock exciting <a href=\"https:\/\/pickl.ai\/blog\/data-science-and-data-analytics\/\">data analytics and data science<\/a> career opportunities!<\/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-are-sql-commands-in-dbms\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_SQL_commands_in_DBMS\"><\/span><strong>What are SQL commands in DBMS?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>DBMS&#8217;s SQL commands are instructions to manage, retrieve, and modify database data. They include DDL, DML, DCL, DQL, and TCL categories.<\/p>\n\n\n\n<h3 id=\"why-is-sql-important-in-database-management\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_is_SQL_important_in_database_management\"><\/span><strong>Why is SQL important in database management?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>SQL allows users to create, manipulate, and secure databases efficiently. It helps store, retrieve, and modify data, making it essential for managing structured data.<\/p>\n\n\n\n<h3 id=\"how-can-i-learn-sql-from-beginner-to-advanced-level\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_can_I_learn_SQL_from_beginner_to_advanced_level\"><\/span><strong>How can I learn SQL from beginner to advanced level?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>You can learn SQL by taking online courses like Pickl.AI\u2019s Data Science Program, which covers SQL basics and advanced techniques.<\/p>\n","protected":false},"excerpt":{"rendered":"Explore the complete SQL commands list in DBMS and learn DDL, DML, DQL, TCL, and DCL.\n","protected":false},"author":19,"featured_media":20462,"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":[613],"tags":[3844],"ppma_author":[2186,2185],"class_list":{"0":"post-20460","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sql","8":"tag-sql-commands-list"},"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>SQL Commands List in DBMS: A Complete Guide for Beginners<\/title>\n<meta name=\"description\" content=\"Explore the complete list of SQL commands in DBMS with practical examples. 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