{"id":214072,"date":"2025-05-13T12:06:45","date_gmt":"2025-05-13T12:06:45","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=214072"},"modified":"2025-05-13T12:06:47","modified_gmt":"2025-05-13T12:06:47","slug":"write-an-sql-query-to-retrieve-the-supplier-number-and-supplier-names-from-the-supplier-table-where-the-supplier-name-starts-with-the-letter-r-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/05\/13\/write-an-sql-query-to-retrieve-the-supplier-number-and-supplier-names-from-the-supplier-table-where-the-supplier-name-starts-with-the-letter-r-2\/","title":{"rendered":"Write an SQL query to retrieve the supplier number and supplier names from the supplier table, where the supplier name starts with the letter &#8216;R&#8217;."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Write an SQL query to retrieve the supplier number and supplier names from the supplier table, where the supplier name starts with the letter &#8216;R&#8217;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 SQL Query:<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT supplier_number, supplier_name\nFROM supplier\nWHERE supplier_name LIKE 'R%';\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcdd Explanation (300+ Words):<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This SQL query is designed to <strong>retrieve specific columns<\/strong> from a table called <code>supplier<\/code>, based on a <strong>filter condition<\/strong> involving the <code>supplier_name<\/code> column.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd0d Breakdown of the Query:<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>SELECT supplier_number, supplier_name<\/strong>\n<ul class=\"wp-block-list\">\n<li>The <code>SELECT<\/code> statement is used to <strong>specify which columns<\/strong> you want to retrieve from the table.<\/li>\n\n\n\n<li>In this case, we are interested in two columns:\n<ul class=\"wp-block-list\">\n<li><code>supplier_number<\/code>: Likely a unique identifier for each supplier.<\/li>\n\n\n\n<li><code>supplier_name<\/code>: The name of the supplier.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>FROM supplier<\/strong>\n<ul class=\"wp-block-list\">\n<li>This clause tells the database <strong>which table<\/strong> to pull the data from.<\/li>\n\n\n\n<li>Here, it is the <code>supplier<\/code> table, which stores information about suppliers.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>WHERE supplier_name LIKE &#8216;R%&#8217;<\/strong>\n<ul class=\"wp-block-list\">\n<li>The <code>WHERE<\/code> clause is used to <strong>filter records<\/strong> based on a condition.<\/li>\n\n\n\n<li><code>supplier_name LIKE 'R%'<\/code>:\n<ul class=\"wp-block-list\">\n<li>The <code>LIKE<\/code> operator is used for <strong>pattern matching<\/strong> in SQL.<\/li>\n\n\n\n<li><code>'R%'<\/code> means any string that <strong>starts with the letter &#8216;R&#8217;<\/strong>, followed by <strong>zero or more characters<\/strong>.<\/li>\n\n\n\n<li><code>%<\/code> is a wildcard that represents <strong>any sequence of characters<\/strong>, including no character.<\/li>\n\n\n\n<li>So, this condition returns supplier names such as:\n<ul class=\"wp-block-list\">\n<li><code>'Ravi Supplies'<\/code><\/li>\n\n\n\n<li><code>'Redline Corp'<\/code><\/li>\n\n\n\n<li><code>'Royal Traders'<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83e\udde0 Why Use <code>LIKE<\/code> Instead of <code>=<\/code>?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Using <code>=<\/code> would match the name exactly. For example:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>WHERE supplier_name = 'Ravi'\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">&#8230;would only return results where the supplier name is exactly <code>'Ravi'<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In contrast, <code>LIKE 'R%'<\/code> is more flexible and retrieves <strong>all names that begin with &#8216;R&#8217;<\/strong>, regardless of what follows.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 Summary:<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">This query is useful when you need to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Retrieve specific data (<code>supplier_number<\/code> and <code>supplier_name<\/code>)<\/li>\n\n\n\n<li>Filter results based on a <strong>textual pattern<\/strong><\/li>\n\n\n\n<li>Match supplier names starting with a particular letter (here, <code>'R'<\/code>)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">It demonstrates a fundamental concept in SQL: <strong>pattern-based filtering using the <code>LIKE<\/code> operator<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Write an SQL query to retrieve the supplier number and supplier names from the supplier table, where the supplier name starts with the letter &#8216;R&#8217;. The Correct Answer and Explanation is: \u2705 SQL Query: \ud83d\udcdd Explanation (300+ Words): This SQL query is designed to retrieve specific columns from a table called supplier, based on a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-214072","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/214072","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=214072"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/214072\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=214072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=214072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=214072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}