{"id":4570,"date":"2023-09-17T03:31:38","date_gmt":"2023-09-17T03:31:38","guid":{"rendered":"https:\/\/reviewnprep.com\/blog\/?p=4570"},"modified":"2023-09-16T15:16:28","modified_gmt":"2023-09-16T15:16:28","slug":"new-to-sql-learn-how-to-utilize-create-read-update-delete-crud","status":"publish","type":"post","link":"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/","title":{"rendered":"New to SQL? Learn How to Utilize Create, Read, Update, Delete (CRUD)"},"content":{"rendered":"\n<p>If you&#8217;re new to the world of databases and SQL (Structured Query Language), you might have heard the term CRUD before. CRUD stands for Create, Read, Update, and Delete, and these are the fundamental operations that you&#8217;ll use to interact with your data in a database. <\/p>\n\n\n\n<p>In this blog, we&#8217;ll walk you through each of these CRUD operations, providing simple and real-world examples to help you grasp the concepts quickly. To make it even more relatable, we&#8217;ll use an inventory management scenario throughout our discussion.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69e49dc24fd8f\" class=\"ez-toc-cssicon-toggle-label\"><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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69e49dc24fd8f\"  aria-label=\"Toggle\" \/><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:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#What_is_CRUD\" title=\"What is CRUD?\">What is CRUD?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#1_Create_C\" title=\"1. Create (C)\">1. Create (C)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#2_Read_R\" title=\"2. Read (R)\">2. Read (R)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#3_Update_U\" title=\"3. Update (U)\">3. Update (U)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#4_Delete_D\" title=\"4. Delete (D)\">4. Delete (D)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#Real-Life_Scenario_Inventory_Management\" title=\"Real-Life Scenario: Inventory Management\">Real-Life Scenario: Inventory Management<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#Commonly_Used_SQL_Clauses\" title=\"Commonly Used SQL Clauses\">Commonly Used SQL Clauses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/reviewnprep.com\/blog\/new-to-sql-learn-how-to-utilize-create-read-update-delete-crud\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_CRUD\"><\/span>What is CRUD?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>CRUD<\/strong> represents four basic actions you can perform on data in a database:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Create<\/strong>: This operation is used to add new records to a database.<\/li>\n\n\n\n<li><strong>Read<\/strong>: It involves retrieving data from the database.<\/li>\n\n\n\n<li><strong>Update<\/strong>: You can modify existing records using this operation.<\/li>\n\n\n\n<li><strong>Delete<\/strong>: As the name suggests, it&#8217;s used to remove data from the database.<\/li>\n<\/ol>\n\n\n\n<p>Now, let&#8217;s dive into each of these CRUD operations with SQL examples and relate them to inventory management.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Create_C\"><\/span>1. Create (C)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In an inventory management system, creating new records would involve adding new products or items to your database. Here&#8217;s an SQL statement to insert a new product:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"-- SQL Query to Create a New Product\nINSERT INTO products (product_name, price, quantity)\nVALUES ('Laptop', 899.99, 10);\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #768390\">-- SQL Query to Create a New Product<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">INSERT INTO<\/span><span style=\"color: #ADBAC7\"> products (product_name, price, quantity)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">VALUES<\/span><span style=\"color: #ADBAC7\"> (<\/span><span style=\"color: #96D0FF\">&#39;Laptop&#39;<\/span><span style=\"color: #ADBAC7\">, <\/span><span style=\"color: #6CB6FF\">899<\/span><span style=\"color: #ADBAC7\">.<\/span><span style=\"color: #6CB6FF\">99<\/span><span style=\"color: #ADBAC7\">, <\/span><span style=\"color: #6CB6FF\">10<\/span><span style=\"color: #ADBAC7\">);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>In this example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>products<\/code> is the name of the table where we want to insert data.<\/li>\n\n\n\n<li><code>product_name<\/code>, <code>price<\/code>, and <code>quantity<\/code> are the columns we want to populate with data.<\/li>\n\n\n\n<li>We&#8217;re creating a new product with the name &#8216;Laptop,&#8217; a price of $899.99, and a quantity of 10.<\/li>\n<\/ul>\n\n\n\n<p>Note: You can try out all the SQL&#8217;s in <a href=\"https:\/\/www.w3schools.com\/spaces\/index.php\" target=\"_blank\" rel=\"noreferrer noopener\">W3 school spaces<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Read_R\"><\/span>2. Read (R)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Reading data is the process of retrieving information from your database. In inventory management, you might want to retrieve the list of products. Here&#8217;s an SQL query to do that:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"-- SQL Query to Read Products\nSELECT * FROM products;\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #768390\">-- SQL Query to Read Products<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">SELECT<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">*<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">FROM<\/span><span style=\"color: #ADBAC7\"> products;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>In this query:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>SELECT<\/code> is used to specify which columns we want to retrieve. In this case, <code>*<\/code> means all columns.<\/li>\n\n\n\n<li><code>FROM<\/code> specifies the table we want to retrieve data from, which is <code>products<\/code>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Update_U\"><\/span>3. Update (U)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Updating records allows you to modify information about existing products. Let&#8217;s say you want to change the price of a laptop:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"-- SQL Query to Update Product Price\nUPDATE products\nSET price = 799.99\nWHERE product_name = 'Laptop';\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #768390\">-- SQL Query to Update Product Price<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">UPDATE<\/span><span style=\"color: #ADBAC7\"> products<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">SET<\/span><span style=\"color: #ADBAC7\"> price <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #6CB6FF\">799<\/span><span style=\"color: #ADBAC7\">.<\/span><span style=\"color: #6CB6FF\">99<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">WHERE<\/span><span style=\"color: #ADBAC7\"> product_name <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #96D0FF\">&#39;Laptop&#39;<\/span><span style=\"color: #ADBAC7\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Here:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>UPDATE<\/code> specifies the table we want to update, which is <code>products<\/code>.<\/li>\n\n\n\n<li><code>SET<\/code> indicates the column we want to modify, which is <code>price<\/code>, and the new value is set to $799.99.<\/li>\n\n\n\n<li><code>WHERE<\/code> specifies which record(s) to update. In this case, we&#8217;re updating the product with the name &#8216;Laptop.&#8217;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Delete_D\"><\/span>4. Delete (D)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Deleting records removes unwanted data from your database. If you decide to discontinue a product, you can use the following SQL statement to delete it:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"-- SQL Query to Delete a Product\nDELETE FROM products\nWHERE product_name = 'Discontinued Product';\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #768390\">-- SQL Query to Delete a Product<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">DELETE<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">FROM<\/span><span style=\"color: #ADBAC7\"> products<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">WHERE<\/span><span style=\"color: #ADBAC7\"> product_name <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #96D0FF\">&#39;Discontinued Product&#39;<\/span><span style=\"color: #ADBAC7\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>In this query:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>DELETE FROM<\/code> specifies the table from which we want to delete data, which is <code>products<\/code>.<\/li>\n\n\n\n<li><code>WHERE<\/code> is used to specify the condition that must be met for the record to be deleted. In this case, we&#8217;re deleting the product with the name &#8216;Discontinued Product.&#8217;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Real-Life_Scenario_Inventory_Management\"><\/span>Real-Life Scenario: Inventory Management<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Imagine you run an online electronics store. Your inventory management database keeps track of all the products you sell. Using CRUD operations, you can manage your inventory efficiently:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-1024x512.jpg\" alt=\"SQL CRUD\" class=\"wp-image-4623\" srcset=\"https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-1024x512.jpg 1024w, https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-300x150.jpg 300w, https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-768x384.jpg 768w, https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-1536x768.jpg 1536w, https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-2048x1024.jpg 2048w, https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-100x50.jpg 100w, https:\/\/reviewnprep.com\/blog\/wp-content\/uploads\/2023\/09\/SQL-CRUD-150x75.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">SQL CRUD<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Create:<\/strong> Add new products as you expand your inventory.<\/li>\n\n\n\n<li><strong>Read:<\/strong> Retrieve information about products to display on your website, such as product details, prices, and availability.<\/li>\n\n\n\n<li><strong>Update:<\/strong> Adjust product quantities as they are sold or restocked. Update prices and other product details as needed.<\/li>\n\n\n\n<li><strong>Delete:<\/strong> Remove discontinued or no longer available products from your database.<\/li>\n<\/ul>\n\n\n\n<p>By understanding and using CRUD operations, you can keep your inventory up to date, provide accurate product information to your customers, and run a successful online business.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Commonly_Used_SQL_Clauses\"><\/span>Commonly Used SQL Clauses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Certainly! In addition to the CRUD operations, SQL queries often include various clauses to refine and manipulate data. Here are some commonly used SQL clauses:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>GROUP BY<\/strong>: The <code>GROUP BY<\/code> clause is used to group rows that have the same values in specified columns into summary rows. It is often used with aggregate functions like <code>SUM<\/code>, <code>AVG<\/code>, <code>COUNT<\/code>, etc. In the context of inventory management, you might use it to group products by category and calculate the total quantity in each category:<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"   -- SQL Query to Group Products by Category and Calculate Total Quantity\n   SELECT category, SUM(quantity) as total_quantity\n   FROM products\n   GROUP BY category;\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #768390\">-- SQL Query to Group Products by Category and Calculate Total Quantity<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">SELECT<\/span><span style=\"color: #ADBAC7\"> category, <\/span><span style=\"color: #6CB6FF\">SUM<\/span><span style=\"color: #ADBAC7\">(quantity) <\/span><span style=\"color: #F47067\">as<\/span><span style=\"color: #ADBAC7\"> total_quantity<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">FROM<\/span><span style=\"color: #ADBAC7\"> products<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">GROUP BY<\/span><span style=\"color: #ADBAC7\"> category;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li><strong>ORDER BY<\/strong>: The <code>ORDER BY<\/code> clause is used to sort the result set in ascending (<code>ASC<\/code>) or descending (<code>DESC<\/code>) order based on one or more columns. For example, you can retrieve products sorted by price in descending order:<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"   -- SQL Query to Retrieve Products Sorted by Price (Highest to Lowest)\n   SELECT * FROM products\n   ORDER BY price DESC;\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #768390\">-- SQL Query to Retrieve Products Sorted by Price (Highest to Lowest)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">SELECT<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">*<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">FROM<\/span><span style=\"color: #ADBAC7\"> products<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">ORDER BY<\/span><span style=\"color: #ADBAC7\"> price <\/span><span style=\"color: #F47067\">DESC<\/span><span style=\"color: #ADBAC7\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li><strong>HAVING<\/strong>: The <code>HAVING<\/code> clause is used in conjunction with <code>GROUP BY<\/code> to filter grouped rows based on a specified condition. For instance, if you want to find product categories with a total quantity greater than 50:<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"   -- SQL Query to Find Categories with Total Quantity &gt; 50\n   SELECT category, SUM(quantity) as total_quantity\n   FROM products\n   GROUP BY category\n   HAVING total_quantity &gt; 50;\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #768390\">-- SQL Query to Find Categories with Total Quantity &gt; 50<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">SELECT<\/span><span style=\"color: #ADBAC7\"> category, <\/span><span style=\"color: #6CB6FF\">SUM<\/span><span style=\"color: #ADBAC7\">(quantity) <\/span><span style=\"color: #F47067\">as<\/span><span style=\"color: #ADBAC7\"> total_quantity<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">FROM<\/span><span style=\"color: #ADBAC7\"> products<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">GROUP BY<\/span><span style=\"color: #ADBAC7\"> category<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">HAVING<\/span><span style=\"color: #ADBAC7\"> total_quantity <\/span><span style=\"color: #F47067\">&gt;<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #6CB6FF\">50<\/span><span style=\"color: #ADBAC7\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li><strong>DISTINCT<\/strong>: The <code>DISTINCT<\/code> keyword is used to eliminate duplicate rows from the result set. If you want to retrieve a list of unique product categories:<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"   -- SQL Query to Retrieve Unique Product Categories\n   SELECT DISTINCT category\n   FROM products;\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #768390\">-- SQL Query to Retrieve Unique Product Categories<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">SELECT DISTINCT<\/span><span style=\"color: #ADBAC7\"> category<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">FROM<\/span><span style=\"color: #ADBAC7\"> products;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li><strong>LIMIT<\/strong>: The <code>LIMIT<\/code> clause is used to restrict the number of rows returned by a query. This can be useful for pagination or limiting the size of result sets. For example, if you want to retrieve the top 10 products by price:<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"   -- SQL Query to Retrieve Top 10 Products by Price\n   SELECT * FROM products\n   ORDER BY price DESC\n   LIMIT 10;\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #768390\">-- SQL Query to Retrieve Top 10 Products by Price<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">SELECT<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">*<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">FROM<\/span><span style=\"color: #ADBAC7\"> products<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">ORDER BY<\/span><span style=\"color: #ADBAC7\"> price <\/span><span style=\"color: #F47067\">DESC<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">   <\/span><span style=\"color: #F47067\">LIMIT<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #6CB6FF\">10<\/span><span style=\"color: #ADBAC7\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>These are some of the commonly used SQL clauses that can help you perform more advanced and precise operations on your data. As you become more familiar with SQL, you&#8217;ll discover many other clauses and functions that allow you to manipulate and query your database effectively.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Want Coding Challenges? Check out <a href=\"https:\/\/reviewnprep.com\/ide\" target=\"_blank\" rel=\"noreferrer noopener\">ReviewNPrep<\/a> to improve your coding skills.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SQL and CRUD operations are essential skills for anyone working with databases. With practice and hands-on experience, you&#8217;ll become more proficient in managing and manipulating data in your database. <\/p>\n\n\n\n<p>Remember, the key to mastering SQL is to start simple and gradually work your way up to more complex queries and operations. <\/p>\n\n\n\n<p>Happy data management!<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Further Reading: <\/p>\n\n\n\n<p><a href=\"https:\/\/reviewnprep.com\/blog\/10-practical-applications-of-sql-and-tips-for-a-thriving-career\/\" target=\"_blank\" rel=\"noreferrer noopener\">Check out this blog for practical applications of SQL and tips to become better at it.<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/reviewnprep.com\/blog\/a-guide-to-software-developer-career-progression\/\" target=\"_blank\" rel=\"noreferrer noopener\">Discover the steps you need to take to progress in your software development career with this comprehensive guide.<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>If you are new to SQL, you need to start with the basics of Create, Read, Update, delete (CRUD). This blog explains the terminology with a real life example.<\/p>\n","protected":false},"author":1,"featured_media":4620,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[253],"tags":[278,315],"class_list":["post-4570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-developer","tag-sql"],"_links":{"self":[{"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/posts\/4570"}],"collection":[{"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/comments?post=4570"}],"version-history":[{"count":10,"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/posts\/4570\/revisions"}],"predecessor-version":[{"id":4718,"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/posts\/4570\/revisions\/4718"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/media\/4620"}],"wp:attachment":[{"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/media?parent=4570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/categories?post=4570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/reviewnprep.com\/blog\/wp-json\/wp\/v2\/tags?post=4570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}