{"id":22907,"date":"2025-05-21T15:34:16","date_gmt":"2025-05-21T10:04:16","guid":{"rendered":"https:\/\/www.pickl.ai\/blog\/?p=22907"},"modified":"2025-05-21T15:34:17","modified_gmt":"2025-05-21T10:04:17","slug":"grant-and-revoke-in-sql","status":"publish","type":"post","link":"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/","title":{"rendered":"GRANT and REVOKE in SQL: A Complete Guide to Managing Permissions"},"content":{"rendered":"\n<p><strong>Summary: <\/strong>This complete guide covers the  GRANT and REVOKE in SQL commands, which are vital for managing user permissions in database systems. It explains how to grant specific privileges to users and revoke them when necessary, highlighting best practices for maintaining security and ensuring that users have appropriate access levels to database resources.<br><\/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\/grant-and-revoke-in-sql\/#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\/grant-and-revoke-in-sql\/#Understanding_SQL_Permissions\" >Understanding SQL Permissions<\/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\/grant-and-revoke-in-sql\/#The_GRANT_Command_Assigning_Permissions\" >The GRANT Command: Assigning Permissions<\/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\/grant-and-revoke-in-sql\/#Examples_of_GRANT_Usage\" >Examples of GRANT Usage<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Granting_SELECT_permission_to_a_user_on_a_table\" >Granting SELECT permission to a user on a table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Granting_INSERT_and_UPDATE_permissions_to_a_role_on_a_table\" >Granting INSERT and UPDATE permissions to a role on a table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Granting_EXECUTE_permission_to_a_user_on_a_stored_procedure\" >Granting EXECUTE permission to a user on a stored procedure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Granting_ALL_PRIVILEGES_to_a_user_on_a_database_Use_with_Extreme_Caution\" >Granting ALL PRIVILEGES to a user on a database (Use with Extreme Caution!)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#The_WITH_GRANT_OPTION_Clause\" >The WITH GRANT OPTION Clause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Important_Considerations_for_GRANT\" >Important Considerations for GRANT<\/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-11\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#The_REVOKE_Command_Removing_Permissions\" >The REVOKE Command: Removing Permissions<\/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\/grant-and-revoke-in-sql\/#Examples_of_REVOKE_Usage\" >Examples of REVOKE Usage<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Revoking_SELECT_permission_from_a_user_on_a_table\" >Revoking SELECT permission from a user on a table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Revoking_INSERT_and_UPDATE_permissions_from_a_role_on_a_table\" >Revoking INSERT and UPDATE permissions from a role on a table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Revoking_EXECUTE_permission_from_a_user_on_a_stored_procedure\" >Revoking EXECUTE permission from a user on a stored procedure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Revoking_ALL_PRIVILEGES_from_a_user_on_a_database\" >Revoking ALL PRIVILEGES from a user on a database<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#The_REVOKE_GRANT_OPTION_FOR_Clause\" >The REVOKE GRANT OPTION FOR Clause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#REVOKE_GRANT_OPTION_FOR_SELECT\" >REVOKE GRANT OPTION FOR SELECT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#REVOKE_SELECT\" >REVOKE SELECT<\/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-20\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Best_Practices_for_Managing_SQL_Permissions_with_GRANT_and_REVOKE\" >Best Practices for Managing SQL Permissions with GRANT and REVOKE<\/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\/grant-and-revoke-in-sql\/#Centralized_Permission_Management\" >Centralized Permission Management<\/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\/grant-and-revoke-in-sql\/#Regular_Auditing\" >Regular Auditing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Documentation\" >Documentation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Security_Awareness_Training\" >Security Awareness Training<\/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\/grant-and-revoke-in-sql\/#Automated_Permission_Management\" >Automated Permission Management<\/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\/grant-and-revoke-in-sql\/#Database_Security_Tools\" >Database Security Tools<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Conclusion\" >Conclusion<\/a><\/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\/grant-and-revoke-in-sql\/#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-29\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#Whats_The_Difference_Between_a_User_and_A_Role_in_SQL_Permission_Management\" >What&#8217;s The Difference Between a User and A Role in SQL Permission Management?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#How_Do_I_List_All_Permissions_Granted_to_A_Specific_User_In_SQL\" >How Do I List All Permissions Granted to A Specific User In SQL?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.pickl.ai\/blog\/grant-and-revoke-in-sql\/#What_Happens_If_I_Revoke_a_Permission_That_a_User_Needs_to_Perform_Their_Job\" >What Happens If I Revoke a Permission That a User Needs to Perform Their Job?<\/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>In the world of database management, security is paramount. Protecting your data from unauthorized access is crucial for maintaining its integrity and confidentiality. <a href=\"https:\/\/www.pickl.ai\/blog\/order-of-execution-in-sql\/\">SQL<\/a> provides powerful commands, <strong>GRANT<\/strong> and <strong>REVOKE<\/strong>, that allow you to meticulously control user permissions and restrict access to sensitive information.&nbsp;<\/p>\n\n\n\n<p>This article will provide a comprehensive guide to <strong>GRANT and REVOKE in SQL<\/strong>, explaining their syntax, usage, and best practices for effective database security.<\/p>\n\n\n\n<p><strong>Key Takeaways<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GRANT allows users to receive specific permissions on database objects.<\/li>\n\n\n\n<li>REVOKE removes previously granted permissions from users or roles.<\/li>\n\n\n\n<li>Always follow the principle of least privilege when granting access.<\/li>\n\n\n\n<li>Regular audits of permissions help maintain database security and compliance.<\/li>\n\n\n\n<li>Use roles to simplify permission management across multiple users efficiently.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"understanding-sql-permissions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_SQL_Permissions\"><\/span><strong>Understanding SQL Permissions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"762\" height=\"693\" src=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11.png\" alt=\"the Common SQL permissions\" class=\"wp-image-22923\" srcset=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11.png 762w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11-300x273.png 300w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11-110x100.png 110w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11-200x182.png 200w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11-380x346.png 380w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11-255x232.png 255w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11-550x500.png 550w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-11-150x136.png 150w\" sizes=\"(max-width: 762px) 100vw, 762px\" \/><\/figure>\n\n\n\n<p>Before diving into the specifics of <strong>GRANT and REVOKE<\/strong>, it&#8217;s essential to understand the concept of permissions in <a href=\"https:\/\/www.pickl.ai\/blog\/major-sql-data-types\/\">SQL<\/a>. Permissions define the actions that a user or role is allowed to perform on database objects. These objects include tables, views, stored procedures, functions, and even the database itself.<\/p>\n\n\n\n<p>Common SQL permissions include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SELECT:<\/strong> Allows a user to read data from a table or view.<\/li>\n\n\n\n<li><strong>INSERT:<\/strong> Allows a user to add new data to a table.<\/li>\n\n\n\n<li><strong>UPDATE:<\/strong> Allows a user to modify existing data in a table.<\/li>\n\n\n\n<li><strong>DELETE:<\/strong> Allows a user to remove data from a table.<\/li>\n\n\n\n<li><strong>EXECUTE:<\/strong> Allows a user to run a stored procedure or function.<\/li>\n\n\n\n<li><strong>CREATE:<\/strong> Allows a user to create new database objects, such as tables or views.<\/li>\n\n\n\n<li><strong>ALTER:<\/strong> Allows a user to modify the structure of existing database objects.<\/li>\n\n\n\n<li><strong>DROP:<\/strong> Allows a user to delete database objects.<\/li>\n\n\n\n<li><strong>ALL PRIVILEGES:<\/strong> Grants all available permissions to a user or role. This should be used with caution.<\/li>\n<\/ul>\n\n\n\n<p>Effective permission management is the foundation of a secure database. By carefully controlling who can access what data and how they can manipulate it, you can significantly reduce the risk of unauthorized access, data breaches, and accidental data corruption. The <strong>GRANT and REVOKE<\/strong> commands are the primary tools for achieving this level of control.<\/p>\n\n\n\n<h2 id=\"the-grant-command-assigning-permissions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_GRANT_Command_Assigning_Permissions\"><\/span><strong>The GRANT Command: Assigning Permissions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The  command of GRANT is used to assign specific permissions to users or roles in a SQL <a href=\"https:\/\/www.pickl.ai\/blog\/aggregation-database-management-system\/\">database.<\/a> Its basic syntax is as follows:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXe5KHrwpASXDgO-5rdoBtCnfOdgKlzkdmMcw4TMth0LrX9-D6CkR5UZ50EyAm3pOB6S2bnJab83Gu2USnAaX66JYnr8yEamr3TL4LxVSnyMOWsQKi2g5HJ4YsrcjYHu03bCRnxL_w?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"GRANT Command\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>permission_list:<\/strong> A comma-separated list of permissions to be granted (e.g., SELECT, INSERT, UPDATE, DELETE). Use ALL PRIVILEGES to grant all permissions.<\/li>\n\n\n\n<li><strong>object_name:<\/strong> The name of the database object that the permissions apply to (e.g., a table, view, stored procedure).<\/li>\n\n\n\n<li><strong>user_or_role_list:<\/strong> Grant the permissions to the users or roles listed, separating each with a comma.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"examples-of-grant-usage\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Examples_of_GRANT_Usage\"><\/span><strong>Examples of GRANT Usage<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 id=\"granting-select-permission-to-a-user-on-a-table\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Granting_SELECT_permission_to_a_user_on_a_table\"><\/span><strong>Granting SELECT permission to a user on a table<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXerUoh2YP0SKIeoWAdqkwEWIO4YE26SIdNAoc3TqQ9bHtM4oc1LivXuky9Z8ImWzY8Bk8Xy881QtFjK7aBnJ9Aw1kGpcK62E9zOhVeiRjQtk9XhNqHvVPhNntmEmcewHJP-xhmA?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"GRANT Usage\"\/><\/figure>\n\n\n\n<p>This command grants the user &#8216;john&#8217;@&#8217;localhost&#8217; the permission to select data from the Customers table.<\/p>\n\n\n\n<h4 id=\"granting-insert-and-update-permissions-to-a-role-on-a-table\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Granting_INSERT_and_UPDATE_permissions_to_a_role_on_a_table\"><\/span><strong>Granting INSERT and UPDATE permissions to a role on a table<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXeYSEgUuVjwLEC7sEL-GSEcq0BrImUYYTTBEAIhDkQuMgrr-fcH0l_VDpkLfPebnMYtid70jNgq1D-37OaaWwPPWUBtiZWRP17eEP-k-khc7ibUqKpeubuG4Mq4--0nVr3zT3pN?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\" Granting INSERT and UPDATE permissions to a role on a table.\"\/><\/figure>\n\n\n\n<p>This command grants the role data_entry_role the permission to insert and update data in the Products table. Roles are groups of users, making permission management easier for larger teams.<\/p>\n\n\n\n<h4 id=\"granting-execute-permission-to-a-user-on-a-stored-procedure\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Granting_EXECUTE_permission_to_a_user_on_a_stored_procedure\"><\/span><strong>Granting EXECUTE permission to a user on a stored procedure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXda5eRjc2YRBiCKIGOf7oQJ_xYfhqL00yzbwdLA0eAH35MXbZf4IOWq4bx-FjAND-emxM0gQz2KY_01QrAhAsMD1uPiy9iH84QBN0BkBXAu1cJ7imXTIq6rjAAfZYF8-drMiqrnHw?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"Granting Execute Permission\"\/><\/figure>\n\n\n\n<p>This command grants the user &#8216;jane&#8217;@&#8217;%&#8217; (the &#8216;%&#8217; wildcard allows &#8216;jane&#8217; to connect from any host) the permission to execute the stored procedure CalculateOrderTotal.<\/p>\n\n\n\n<h4 id=\"granting-all-privileges-to-a-user-on-a-database-use-with-extreme-caution\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Granting_ALL_PRIVILEGES_to_a_user_on_a_database_Use_with_Extreme_Caution\"><\/span><strong>Granting ALL PRIVILEGES to a user on a database (Use with Extreme Caution!)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdcLJr0IffCxf_HKqwVXXNRu5_gzrHuAnpErI9a_tGCqDDzOcwYX7_ECMjfAEiPnYe_KR3Flle88AAEYP0us7zNvChzSIRCOhOH6rNzUkjN3algZgkmA6P2RXRMnyxLR-4F3ghavA?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"Granting ALL PRIVILEGES\"\/><\/figure>\n\n\n\n<p>This command grants the user &#8216;admin&#8217;@&#8217;localhost&#8217; all privileges on all tables within the mydatabase database. <strong>This should only be used for highly trusted administrators and with extreme caution<\/strong>, as it gives the user unrestricted access to the database.<\/p>\n\n\n\n<h4 id=\"the-with-grant-option-clause\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_WITH_GRANT_OPTION_Clause\"><\/span><strong>The WITH GRANT OPTION Clause<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>The WITH GRANT OPTION clause allows the grantee (the user or role receiving the permission) to grant the same permission to other users or roles. This creates a cascading effect, where permissions can be propagated throughout the database.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfkawJLP0bovr6P1CwES1XypeXSwcYAOWwf51R7Q8IxAGj5DH0PQpFfsmVPhGQLP1jwKdipgeD9zWIlMum8c0BlqG1EVkEa36FIMzjmrb78hbpbxI9gv4zZ5Jw4vdfbMMcIs3CI9Q?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"WITH GRANT OPTION\"\/><\/figure>\n\n\n\n<p>In this example, the system grants the user &#8216;manager&#8217;@&#8217;localhost&#8217; SELECT permission on the Employees table and authorizes them to grant SELECT permission on the same table to other users or roles.<\/p>\n\n\n\n<h4 id=\"important-considerations-for-grant\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Important_Considerations_for_GRANT\"><\/span><strong>Important Considerations for GRANT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Specificity:<\/strong> Grant only the minimum necessary permissions to each user or role. Avoid granting ALL PRIVILEGES unless absolutely necessary.<\/li>\n\n\n\n<li><strong>Roles:<\/strong> Use roles to group users with similar responsibilities. This simplifies permission management and ensures consistency.<\/li>\n\n\n\n<li><strong>Principle of Least Privilege:<\/strong> Always adhere to the principle of least privilege, which states that users should only have access to the data and resources they need to perform their job duties.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"the-revoke-command-removing-permissions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_REVOKE_Command_Removing_Permissions\"><\/span><strong>The REVOKE Command: Removing Permissions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The <strong>REVOKE<\/strong> command is used to remove previously granted permissions from users or roles in a SQL database. Its basic syntax is as follows:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdUy1tclaKAZFWUfxLhpXIHxtxqyhN2w435armLrSKObxlCRBqlNaXpZEUlIub88JoTQqIeT3i0ppmsf189gP5vDJX0qFs0Fc4dj8F6wRxNIHcqo1-s9_Ny-cwWzhxoL8tFhvCsng?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\" REVOKE Command\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>permission_list:<\/strong> A comma-separated list of permissions to be revoked (e.g., SELECT, INSERT, UPDATE, DELETE).<\/li>\n\n\n\n<li><strong>object_name:<\/strong> The name of the database object that the permissions are being revoked from (e.g., a table, view, stored procedure).<\/li>\n\n\n\n<li><strong>user_or_role_list:<\/strong> A comma-separated list of users or roles from whom the permissions are being revoked.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"examples-of-revoke-usage\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Examples_of_REVOKE_Usage\"><\/span><strong>Examples of REVOKE Usage<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 id=\"revoking-select-permission-from-a-user-on-a-table\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Revoking_SELECT_permission_from_a_user_on_a_table\"><\/span><strong>Revoking SELECT permission from a user on a table<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXc7RyPzoaCbqQ4yFoNQAcGL36ISXzMiKw6t8wgWVHk0JH-okaYp_u-L_GQCMkwhfpHQCh6iEot1tXTZ8ZhHtiNX1cFO_8diVdDeHdIS8fWgi5G90PJedLgTID97iph1XUftJYcQ?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\" Revoking SELECT Permission\"\/><\/figure>\n\n\n\n<p>This command revokes the SELECT permission on the Customers table from the user &#8216;john&#8217;@&#8217;localhost&#8217;.<\/p>\n\n\n\n<h4 id=\"revoking-insert-and-update-permissions-from-a-role-on-a-table\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Revoking_INSERT_and_UPDATE_permissions_from_a_role_on_a_table\"><\/span><strong>Revoking INSERT and UPDATE permissions from a role on a table<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXclMMJr-8aYDeQZGuBsB4aV9WKGKoSP9KmFWJLXrCsWvrjoGcpEd2b9Ku9vuu6N21vZLfoCtalhbBloNU8RckdavsPBqX3ep1eU649ptKRoV8FZKKzksZWy_827JREI1hdHrknr?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"Revoking INSERT and UPDATE Permission\"\/><\/figure>\n\n\n\n<p>This command revokes the INSERT and UPDATE permissions on the Products table from the role data_entry_role.<\/p>\n\n\n\n<h4 id=\"revoking-execute-permission-from-a-user-on-a-stored-procedure\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Revoking_EXECUTE_permission_from_a_user_on_a_stored_procedure\"><\/span><strong>Revoking EXECUTE permission from a user on a stored procedure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfKE0GpNGwkCmKVVLlTLr_Yx-WqWraNF0UltjyHUeYy8er1KBpXJcKfNl4R4uK2981I5IPq1B4gZiSFoUf04PvpZjlPGIKuuZJoku_1F8JJSQq5lSzGb8RHhk4QF_Sa1fQ8EvztzA?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"Revoking EXECUTE Permission\"\/><\/figure>\n\n\n\n<p>This command revokes the EXECUTE permission on the stored procedure CalculateOrderTotal from the user &#8216;jane&#8217;@&#8217;%&#8217;.<\/p>\n\n\n\n<h4 id=\"revoking-all-privileges-from-a-user-on-a-database\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Revoking_ALL_PRIVILEGES_from_a_user_on_a_database\"><\/span><strong>Revoking ALL PRIVILEGES from a user on a database<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfVsMDGSdoja-Z1CWmMKtP__-pt_RX-U8XmPm8Vsfc1Pu5yFAFSZBkMf87j0B-MVQNaShZfplDzzrDabVwDmBaJLj8295xR5HLgjEOByJYX6BdGokH_c_l03BH-HD-o7vPQbwlC9g?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"Revoking ALL PRIVILEGES from a user\"\/><\/figure>\n\n\n\n<p>This command revokes all privileges on all tables within the mydatabase database from the user &#8216;admin&#8217;@&#8217;localhost&#8217;. This should be done with careful planning, as it can significantly impact the user&#8217;s ability to perform database operations.<\/p>\n\n\n\n<h4 id=\"the-revoke-grant-option-for-clause\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_REVOKE_GRANT_OPTION_FOR_Clause\"><\/span><strong>The REVOKE GRANT OPTION FOR Clause<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"793\" height=\"348\" src=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4.png\" alt=\"Revoke Grant Option for Clause\" class=\"wp-image-22932\" srcset=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4.png 793w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-300x132.png 300w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-768x337.png 768w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-110x48.png 110w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-200x88.png 200w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-380x167.png 380w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-255x112.png 255w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-550x241.png 550w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-1-4-150x66.png 150w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<p>The REVOKE GRANT OPTION FOR clause revokes the ability of a user or role to grant the specified permission to other users or roles. This is important for controlling the cascading effect of permissions granted with the WITH GRANT OPTION clause.<\/p>\n\n\n\n<h4 id=\"revoke-grant-option-for-select\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"REVOKE_GRANT_OPTION_FOR_SELECT\"><\/span><strong>REVOKE GRANT OPTION FOR SELECT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcifKiMNWxRe5tVqo5mCziv-g_BTpOxSRGU-_j2SRr_W6vlnKTcO0guqjT4xY1YkjUviQRRpe1z91dRbBQOyevV5V636DUC6QYtGEipKpagAORc8a-Y_IzZ3e6Xqm0snUs51PTsBA?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"Revoke GRANT OPTION\"\/><\/figure>\n\n\n\n<p>In this example, the command revokes the ability of the user &#8216;manager&#8217;@&#8217;localhost&#8217; to grant SELECT permission on the Employees table to other users or roles. However, it does <em>not<\/em> revoke the SELECT permission itself from &#8216;manager&#8217;@&#8217;localhost&#8217;. To revoke the permission itself, you would use:<\/p>\n\n\n\n<h4 id=\"revoke-select\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"REVOKE_SELECT\"><\/span><strong>REVOKE SELECT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcA0M5iigBXKOL0ClNA8m-bLlqjsVFQoI0p4kwDWXkx4P-zjg8Qsj0cvFLKrYvC2GKA99T4ytAwoW2YhyaHoXTFoHej81-XwZoTGqnwcN6NwNKAoCllYLKa6GeKh6vSsG61sb_R0g?key=qX6Pyng9ExLZ0pp4tZy1ev96\" alt=\"Code to REVOKE SELECT\"\/><\/figure>\n\n\n\n<h2 id=\"best-practices-for-managing-sql-permissions-with-grant-and-revoke\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Best_Practices_for_Managing_SQL_Permissions_with_GRANT_and_REVOKE\"><\/span><strong>Best Practices for Managing SQL Permissions with GRANT and REVOKE<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"831\" height=\"681\" src=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3.png\" alt=\"Best Practices for Managing SQL Permissions with GRANT and REVOKE\" class=\"wp-image-22937\" srcset=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3.png 831w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-300x246.png 300w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-768x629.png 768w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-110x90.png 110w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-200x164.png 200w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-380x311.png 380w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-255x209.png 255w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-550x451.png 550w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-800x656.png 800w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2025\/05\/unnamed-3-3-150x123.png 150w\" sizes=\"(max-width: 831px) 100vw, 831px\" \/><\/figure>\n\n\n\n<p>Managing <a href=\"https:\/\/www.pickl.ai\/blog\/stored-procedures-in-sql\/\">SQL permissions<\/a> effectively is crucial for maintaining database security and ensuring that users have appropriate access levels. Here are some best practices for using the GRANT and REVOKE statements:<\/p>\n\n\n\n<h3 id=\"centralized-permission-management\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Centralized_Permission_Management\"><\/span><strong>Centralized Permission Management<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Implement a centralized system for managing SQL permissions. You can achieve this using roles, stored procedures, or custom scripts.<\/p>\n\n\n\n<h3 id=\"regular-auditing\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Regular_Auditing\"><\/span><strong>Regular Auditing<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Audit user permissions regularly to ensure they remain appropriate and prevent unauthorized access.<\/p>\n\n\n\n<h3 id=\"documentation\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Documentation\"><\/span><strong>Documentation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Document your permission management policies and procedures. This will help ensure consistency and facilitate troubleshooting.<\/p>\n\n\n\n<h3 id=\"security-awareness-training\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Security_Awareness_Training\"><\/span><strong>Security Awareness Training<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Provide security awareness training to all database users to educate them about the importance of protecting sensitive data.<\/p>\n\n\n\n<h3 id=\"automated-permission-management\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automated_Permission_Management\"><\/span><strong>Automated Permission Management<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Utilise automation tools and scripts to streamline permission management tasks and reduce the risk of human error.<\/p>\n\n\n\n<h3 id=\"database-security-tools\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Database_Security_Tools\"><\/span><strong>Database Security Tools<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Employ database security tools that can monitor user activity, detect suspicious behaviour, and enforce security policies.<\/p>\n\n\n\n<h2 id=\"conclusion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Mastering the <strong>GRANT and REVOKE<\/strong> commands is fundamental to securing your SQL database. By understanding the nuances of these commands and implementing a well-defined permission management strategy, you can protect your data from unauthorized access and ensure its integrity and confidentiality.<\/p>\n\n\n\n<p>Remember to follow best practices, regularly audit your permissions, and stay informed about the latest security threats. A proactive approach to database security is essential for safeguarding your organization&#8217;s valuable data assets.<\/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=\"whats-the-difference-between-a-user-and-a-role-in-sql-permission-management\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Whats_The_Difference_Between_a_User_and_A_Role_in_SQL_Permission_Management\"><\/span><strong>What&#8217;s The Difference Between a User and A Role in SQL Permission Management?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A user is an individual account with specific credentials. A role is a group of users with pre-defined permissions. Roles simplify permission management by allowing you to assign permissions to a group rather than individual users.<\/p>\n\n\n\n<h3 id=\"how-do-i-list-all-permissions-granted-to-a-specific-user-in-sql\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_I_List_All_Permissions_Granted_to_A_Specific_User_In_SQL\"><\/span><strong>How Do I List All Permissions Granted to A Specific User In SQL?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The method for listing permissions varies depending on the specific database system (e.g., MySQL, PostgreSQL, SQL Server). Generally, you&#8217;ll need to query system tables or views that store permission information. Consult your database system&#8217;s documentation for specific instructions.<\/p>\n\n\n\n<h3 id=\"what-happens-if-i-revoke-a-permission-that-a-user-needs-to-perform-their-job\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Happens_If_I_Revoke_a_Permission_That_a_User_Needs_to_Perform_Their_Job\"><\/span><strong>What Happens If I Revoke a Permission That a User Needs to Perform Their Job?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Revoking a necessary permission will prevent the user from performing the associated tasks. This can disrupt their work and potentially impact business operations. Before revoking permissions, thoroughly assess the impact and communicate with affected users.<\/p>\n","protected":false},"excerpt":{"rendered":"Learn to manage SQL permissions effectively with GRANT and REVOKE commands for enhanced security.\n","protected":false},"author":4,"featured_media":22946,"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":[4038,4039,4040,2199],"ppma_author":[2169,2170],"class_list":{"0":"post-22907","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sql","8":"tag-grant-and-revoke-in-sql","9":"tag-grant-sql","10":"tag-revoke-sql","11":"tag-sql"},"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>How to Use Grant and Revoke in SQL for Secure Database Access<\/title>\n<meta name=\"description\" content=\"Explore the comprehensive guide on SQL GRANT and REVOKE commands, essential for managing user permissions effectively within databases, ensuring security and proper access control for your data.\" \/>\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\/grant-and-revoke-in-sql\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GRANT and REVOKE in SQL: A Complete Guide to Managing Permissions\" \/>\n<meta property=\"og:description\" content=\"Explore the comprehensive guide on SQL GRANT and REVOKE commands, essential for managing user permissions effectively within 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