{"id":1454,"date":"2021-05-22T10:00:00","date_gmt":"2021-05-22T04:30:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=1454"},"modified":"2021-06-20T20:40:07","modified_gmt":"2021-06-20T15:10:07","slug":"the-pads-sql-solution","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/the-pads-sql-solution\/","title":{"rendered":"The PADS in SQL | HackerRank Solution"},"content":{"rendered":"\n<p>Hello coders, today we are going to solve <strong>The PADS HackerRank Solution in SQL<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"676\" src=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/the-pads-sql-hackerrank-solution-codingbroz.png\" alt=\"The PADS in SQL\" class=\"wp-image-1457\" srcset=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/the-pads-sql-hackerrank-solution-codingbroz.png 1200w, https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/the-pads-sql-hackerrank-solution-codingbroz-768x433.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-662dc1a8ce77f\" class=\"ez-toc-cssicon-toggle-label\"><label class=\"ez-toc-title\">Table of Contents<\/label>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0090ff;color:#0090ff\" 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: #0090ff;color:#0090ff\" 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-662dc1a8ce77f\" checked \/><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.codingbroz.com\/the-pads-sql-solution\/#Problem\" title=\"Problem\">Problem<\/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.codingbroz.com\/the-pads-sql-solution\/#Input_Format\" title=\"Input Format\">Input Format<\/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.codingbroz.com\/the-pads-sql-solution\/#Solution_%E2%80%93_The_PADS_in_SQL\" title=\"Solution &#8211; The PADS in SQL\">Solution &#8211; The PADS in SQL<\/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.codingbroz.com\/the-pads-sql-solution\/#MySQL\" title=\"MySQL\">MySQL<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problem\"><\/span><strong>Problem<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Generate the following two result sets:<\/p>\n\n\n\n<ol><li>Query an&nbsp;<em>alphabetically ordered<\/em>&nbsp;list of all names in&nbsp;<strong>OCCUPATIONS<\/strong>, immediately followed by the first letter of each profession as a parenthetical (i.e.: enclosed in parentheses). For example:&nbsp;<code>AnActorName(A)<\/code>,&nbsp;<code>ADoctorName(D)<\/code>,&nbsp;<code>AProfessorName(P)<\/code>, and&nbsp;<code>ASingerName(S)<\/code>.<\/li><li>Query the number of ocurrences of each occupation in&nbsp;<strong>OCCUPATIONS<\/strong>. Sort the occurrences in&nbsp;<em>ascending order<\/em>, and output them in the following format:<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>There are a total of &#91;occupation_count] &#91;occupation]s.<\/code><\/pre>\n\n\n\n<p>where&nbsp;<code>[occupation_count]<\/code>&nbsp;is the number of occurrences of an occupation in&nbsp;<strong>OCCUPATIONS<\/strong>&nbsp;and&nbsp;<code>[occupation]<\/code>&nbsp;is the&nbsp;<em>lowercase<\/em>&nbsp;occupation name. If more than one&nbsp;<em>Occupation<\/em>&nbsp;has the same&nbsp;<code>[occupation_count]<\/code>, they should be ordered alphabetically.<\/p>\n\n\n\n<p><strong>Note:<\/strong>&nbsp;There will be at least two entries in the table for each type of occupation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Input_Format\"><\/span><strong>Input Format<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Column<\/th><th>Type<\/th><\/tr><\/thead><tbody><tr><td><em>Name<\/em><\/td><td><em>String<\/em><\/td><\/tr><tr><td><em>Occupation<\/em><\/td><td><em>String<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>The&nbsp;<strong>OCCUPATIONS<\/strong>&nbsp;table is described as follows:&nbsp;<\/p>\n\n\n\n<p><em>Occupation<\/em>&nbsp;will only contain one of the following values:&nbsp;<strong>Doctor<\/strong>,&nbsp;<strong>Professor<\/strong>,&nbsp;<strong>Singer<\/strong>&nbsp;or&nbsp;<strong>Actor<\/strong>.<\/p>\n\n\n\n<p><strong>Sample Input<\/strong><\/p>\n\n\n\n<p>An&nbsp;<strong>OCCUPATIONS<\/strong>&nbsp;table that contains the following records:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th><em>Name<\/em><\/th><th><em>Occupation<\/em><\/th><\/tr><\/thead><tbody><tr><td><em>Samantha<\/em><\/td><td><em>Doctor<\/em><\/td><\/tr><tr><td><em>Julia<\/em><\/td><td><em>Actor<\/em><\/td><\/tr><tr><td><em>Maria<\/em><\/td><td><em>Actor<\/em><\/td><\/tr><tr><td><em>Meera<\/em><\/td><td>Singer<\/td><\/tr><tr><td><em>Ashley<\/em><\/td><td><em>Professor<\/em><\/td><\/tr><tr><td><em>Ketty<\/em><\/td><td><em>Professor<\/em><\/td><\/tr><tr><td><em>Christeen<\/em><\/td><td><em>Professor<\/em><\/td><\/tr><tr><td><em>Jane<\/em><\/td><td><em>Actor<\/em><\/td><\/tr><tr><td><em>Jenny<\/em><\/td><td><em>Doctor<\/em><\/td><\/tr><tr><td><em>Priya<\/em><\/td><td><em>Singer<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Sample Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Ashely(P)\nChristeen(P)\nJane(A)\nJenny(D)\nJulia(A)\nKetty(P)\nMaria(A)\nMeera(S)\nPriya(S)\nSamantha(D)\nThere are a total of 2 doctors.\nThere are a total of 2 singers.\nThere are a total of 3 actors.\nThere are a total of 3 professors.<\/code><\/pre>\n\n\n\n<p><strong>Explanation<\/strong><\/p>\n\n\n\n<p>The results of the first query are formatted to the problem description&#8217;s specifications.<br>The results of the second query are ascendingly ordered first by number of names corresponding to each profession (<strong>2 &lt;= 2 &lt;= 3 &lt;= 3<\/strong>), and then alphabetically by profession (<strong><em>doctor<\/em> &lt;= <em>singer<\/em><\/strong>, and&nbsp;<strong><em>actor &lt;= professor<\/em><\/strong>).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solution_%E2%80%93_The_PADS_in_SQL\"><\/span><strong>Solution &#8211; The PADS in SQL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"MySQL\"><\/span><strong>MySQL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">SELECT concat(NAME,concat(\"(\",concat(substr(OCCUPATION,1,1),\")\"))) FROM OCCUPATIONS ORDER BY NAME ASC;\nSELECT \"There are a total of \", count(OCCUPATION), concat(lower(occupation),\"s.\") FROM OCCUPATIONS GROUP BY OCCUPATION ORDER BY count(OCCUPATION), OCCUPATION ASC<\/pre>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-5246141430412355\"\n     data-ad-slot=\"8798433565\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n\n\n\n<p><strong>Disclaimer: <\/strong>The above Problem <strong>(<a href=\"https:\/\/www.hackerrank.com\/challenges\/the-pads\/problem\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"rank-math-link\">The PADS<\/a>)<\/strong> is generated by <strong>Hacker Rank<\/strong> but the Solution is Provided by <strong>CodingBroz<\/strong>. This tutorial is only for <strong>Educational<\/strong> and <strong>Learning<\/strong> Purpose.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ders, today we are going to solve The PADS HackerRank Solution in SQL.<\/p>\n","protected":false},"author":1,"featured_media":1457,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","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":"","theme-transparent-header-meta":"default","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-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-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-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-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-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-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,138],"tags":[80,18,139,156],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/the-pads-sql-hackerrank-solution-codingbroz.png","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1454"}],"collection":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/comments?post=1454"}],"version-history":[{"count":4,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1454\/revisions"}],"predecessor-version":[{"id":3476,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1454\/revisions\/3476"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media\/1457"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=1454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=1454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=1454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}