{"id":6205,"date":"2026-08-10T09:30:49","date_gmt":"2026-08-10T09:30:49","guid":{"rendered":"https:\/\/nokobox.com\/index.php\/item\/udemy-essentialsql-subquery-magic-master-sql-sub-queries-2024-5\/"},"modified":"2026-08-10T09:30:49","modified_gmt":"2026-08-10T09:30:49","slug":"udemy-essentialsql-subquery-magic-master-sql-sub-queries-2024-5","status":"publish","type":"digital_item","link":"https:\/\/nokobox.com\/index.php\/item\/udemy-essentialsql-subquery-magic-master-sql-sub-queries-2024-5\/","title":{"rendered":"Udemy \u2013 EssentialSQL: Subquery Magic \u2013 Master SQL Sub Queries. 2024-5"},"content":{"rendered":"<div class=\"w-post-elm post_content\">\n<h2 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">Description<\/span><\/h2>\n<p dir=\"ltr\" style=\"text-align: left\" data-sourcepos=\"5:1-5:397\"><span style=\"vertical-align: inherit\">EssentialSQL Course: Subquery Magic \u2013 Master SQL Sub Queries.. In this course, you will learn the basics of subqueries and how to use them effectively in your SQL statements in MySQL, PostgreSQL or MS SQL Server. You will learn different types of subqueries, including correlated and uncorrelated subqueries, and how to use them to solve complex problems. You will also learn about common errors when working with subqueries and how to optimize their performance in your queries. By the end of this course, you will have a comprehensive understanding of how to use subqueries in your SQL statements and be able to apply this knowledge to a wide variety of real-world scenarios.<\/span><\/p>\n<h3 dir=\"ltr\" style=\"text-align: left\" data-sourcepos=\"9:1-9:24\"><span style=\"vertical-align: inherit\">What you will learn<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\" data-sourcepos=\"11:1-18:0\">\n<li data-sourcepos=\"11:1-11:50\"><span style=\"vertical-align: inherit\">Write sub-queries to select data from multiple tables<\/span><\/li>\n<li data-sourcepos=\"12:1-12:51\"><span style=\"vertical-align: inherit\">Create subqueries to return one or more values<\/span><\/li>\n<li data-sourcepos=\"13:1-13:63\"><span style=\"vertical-align: inherit\">Using sub-queries in SELECT, FROM, WHERE and HAVING clauses<\/span><\/li>\n<li data-sourcepos=\"14:1-14:76\"><span style=\"vertical-align: inherit\">Understanding and using correlated subqueries that depend on outer query values<\/span><\/li>\n<li data-sourcepos=\"15:1-15:128\"><span style=\"vertical-align: inherit\">Use subqueries to solve problems such as finding maximum or minimum values \u200b\u200band records that do not have corresponding entries in other tables.<\/span><\/li>\n<li data-sourcepos=\"16:1-16:60\"><span style=\"vertical-align: inherit\">Understand the difference between the IN, EXISTS, and ANY\/ALL operators in subqueries<\/span><\/li>\n<li data-sourcepos=\"17:1-18:0\"><span style=\"vertical-align: inherit\">How to use subqueries to create more complex queries and better understand the structure and relationships in a database<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\" data-sourcepos=\"19:1-19:30\"><span style=\"vertical-align: inherit\">This course is suitable for people who<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\" data-sourcepos=\"21:1-26:0\">\n<li data-sourcepos=\"21:1-21:67\"><span style=\"vertical-align: inherit\">Beginner SQL query writers who are curious about subqueries.<\/span><\/li>\n<li data-sourcepos=\"22:1-22:105\"><span style=\"vertical-align: inherit\">If you have trouble writing sub-questions or are confused by interrelated sub-questions, this course is for you!<\/span><\/li>\n<li data-sourcepos=\"23:1-23:69\"><span style=\"vertical-align: inherit\">Business analysts looking for more ways to write queries<\/span><\/li>\n<li data-sourcepos=\"24:1-24:71\"><span style=\"vertical-align: inherit\">Recent college graduates looking to brush up on their SQL skills<\/span><\/li>\n<li data-sourcepos=\"25:1-26:0\"><span style=\"vertical-align: inherit\">Job seekers looking to excel in their next interview!<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">EssentialSQL course details: Subquery Magic \u2013 Master SQL Sub Queries.<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\">\n<li><span style=\"vertical-align: inherit\">Publisher:&nbsp; <\/span><a href=\"https:\/\/href.li\/?https:\/\/www.udemy.com\/course\/sub-query-magic-write-t-sql-subqueries-using-sql-server\/?couponCode=LEARNNOWPLANS\" target=\"_blank\" rel=\"noopener\"><span style=\"vertical-align: inherit\">Udemy<\/span><\/a><\/li>\n<li><span style=\"vertical-align: inherit\">Instructor:&nbsp; <\/span><a class=\"ud-btn ud-btn-large ud-btn-link ud-heading-md ud-text-sm ud-instructor-links\" href=\"https:\/\/downloadlynet.ir\/tag\/kris-wenzel\/\" data-position=\"1\"><span class=\"ud-btn-label\"><span style=\"vertical-align: inherit\">Kris Wenzel<\/span><\/span><\/a><span style=\"vertical-align: inherit\"> , <\/span><a href=\"https:\/\/downloadlynet.ir\/tag\/essential-sql\/\"><span style=\"vertical-align: inherit\">Essential Sql<\/span><\/a><\/li>\n<li><span style=\"vertical-align: inherit\">Training level: beginner to advanced<\/span><\/li>\n<li><span style=\"vertical-align: inherit\">Training duration: 2 hours and 9 minutes<\/span><\/li>\n<li><span style=\"vertical-align: inherit\">Number of courses: 22<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">Course topics on 2024\/6<\/span><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-935155 size-full\" src=\"https:\/\/downloadly.ir\/wp-content\/uploads\/2024\/10\/EssentialSQL-Subquery-Magic-Master-SQL-Sub-Queries.-1.jpg\" alt=\"EssentialSQL: Subquery Magic - Master SQL Sub Queries.\" width=\"882\" height=\"530\"><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">EssentialSQL course prerequisites: Subquery Magic \u2013 Master SQL Sub Queries.<\/span><\/h3>\n<ul dir=\"ltr\" style=\"text-align: left\">\n<li dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">You should already be familiar with SELECT, GROUP BY, and ORDER BY clauses<\/span><\/li>\n<li dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">If you can write a simple selection statement, then you\u2019re ready for this course!<\/span><\/li>\n<li dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">No special equipment needed, all exercises are done online.<\/span><\/li>\n<li dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">Optional: Install a MySQL, PostgreSQL, or SQL Server learning lab on your own computer.<\/span><\/li>\n<\/ul>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">Course images<\/span><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-935156 size-full\" src=\"https:\/\/downloadly.ir\/wp-content\/uploads\/2024\/10\/EssentialSQL-Subquery-Magic-Master-SQL-Sub-Queries.jpg\" alt=\"EssentialSQL: Subquery Magic - Master SQL Sub Queries.\" width=\"872\" height=\"419\"><\/h3>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">Sample video of the course<\/span><\/h3>\n<div style=\"width: 640px;\" class=\"wp-video\"><span class=\"mejs-offscreen\">Video Player<\/span><\/p>\n<div id=\"mep_0\" class=\"mejs-container mejs-container-keyboard-inactive wp-video-shortcode mejs-video\" tabindex=\"0\" role=\"application\" aria-label=\"Video Player\" style=\"width: 640px; height: 360px; min-width: 217px;\">\n<div class=\"mejs-inner\">\n<div class=\"mejs-mediaelement\"><mediaelementwrapper id=\"video-141899-1\"><video class=\"wp-video-shortcode\" id=\"video-141899-1_html5\" width=\"640\" height=\"360\" preload=\"metadata\" src=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/EssentialSQL_Subquery_Magic-Master_SQL_Sub_Queries_Downloadly.ir.mp4?_=1\" style=\"width: 640px; height: 360px;\"><source type=\"video\/mp4\" src=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/EssentialSQL_Subquery_Magic-Master_SQL_Sub_Queries_Downloadly.ir.mp4?_=1\"><a href=\"https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/EssentialSQL_Subquery_Magic-Master_SQL_Sub_Queries_Downloadly.ir.mp4?nocache=1786106522171\">https:\/\/dl.downloadly.ir\/Files\/Elearning\/Sample\/EssentialSQL_Subquery_Magic-Master_SQL_Sub_Queries_Downloadly.ir.mp4<\/a><\/video><\/mediaelementwrapper><\/div>\n<div class=\"mejs-layers\">\n<div class=\"mejs-poster mejs-layer\" style=\"display: none; width: 100%; height: 100%;\"><\/div>\n<div class=\"mejs-overlay mejs-layer\" style=\"display: none; width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-loading\"><span class=\"mejs-overlay-loading-bg-img\"><\/span><\/div>\n<\/div>\n<div class=\"mejs-overlay mejs-layer\" style=\"display: none; width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-error\"><\/div>\n<\/div>\n<div class=\"mejs-overlay mejs-layer mejs-overlay-play\" style=\"width: 100%; height: 100%;\">\n<div class=\"mejs-overlay-button\" role=\"button\" tabindex=\"0\" aria-label=\"Play\" aria-pressed=\"false\"><\/div>\n<\/div>\n<\/div>\n<div class=\"mejs-controls\">\n<div class=\"mejs-button mejs-playpause-button mejs-play\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Play\" aria-label=\"Play\" tabindex=\"0\"><\/button><\/div>\n<div class=\"mejs-time mejs-currenttime-container\" role=\"timer\" aria-live=\"off\"><span class=\"mejs-currenttime\">00:00<\/span><\/div>\n<div class=\"mejs-time-rail\"><span class=\"mejs-time-total mejs-time-slider\" role=\"slider\" tabindex=\"0\" aria-label=\"Time Slider\" aria-valuemin=\"0\" aria-valuemax=\"0\" aria-valuenow=\"0\" aria-valuetext=\"00:00\"><span class=\"mejs-time-buffering\" style=\"display: none;\"><\/span><span class=\"mejs-time-loaded\"><\/span><span class=\"mejs-time-current\"><\/span><span class=\"mejs-time-hovered no-hover\"><\/span><span class=\"mejs-time-handle\"><span class=\"mejs-time-handle-content\"><\/span><\/span><span class=\"mejs-time-float\"><span class=\"mejs-time-float-current\">00:00<\/span><span class=\"mejs-time-float-corner\"><\/span><\/span><\/span><\/div>\n<div class=\"mejs-time mejs-duration-container\"><span class=\"mejs-duration\">00:00<\/span><\/div>\n<div class=\"mejs-button mejs-volume-button mejs-mute\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Mute\" aria-label=\"Mute\" tabindex=\"0\"><\/button><a href=\"javascript:void(0);\" class=\"mejs-volume-slider\" aria-label=\"Volume Slider\" aria-valuemin=\"0\" aria-valuemax=\"100\" role=\"slider\" aria-orientation=\"vertical\"><span class=\"mejs-offscreen\">Use Up\/Down Arrow keys to increase or decrease volume.<\/span><\/p>\n<div class=\"mejs-volume-total\">\n<div class=\"mejs-volume-current\" style=\"bottom: 0px; height: 100%;\"><\/div>\n<div class=\"mejs-volume-handle\" style=\"bottom: 100%; margin-bottom: -3px;\"><\/div>\n<\/div>\n<p><\/a><\/div>\n<div class=\"mejs-button mejs-fullscreen-button\"><button type=\"button\" aria-controls=\"mep_0\" title=\"Fullscreen\" aria-label=\"Fullscreen\" tabindex=\"0\"><\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div dir=\"ltr\" style=\"text-align: left\">\n<h3><span style=\"vertical-align: inherit\">Installation guide<\/span><\/h3>\n<p><span style=\"vertical-align: inherit\">After Extract, view with your favorite Player.<\/span><\/p>\n<p><span style=\"vertical-align: inherit\">Subtitle: English<\/span><\/p>\n<p><span style=\"vertical-align: inherit\">Quality: 720p<\/span><\/p>\n<\/div>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">download link<\/span><\/h3>\n<p dir=\"ltr\" style=\"text-align: left\"><a href=\"https:\/\/dl2.downloadly.ir\/Files\/Elearning\/Udemy_EssentialSQL_Subquery_Magic-Master_SQL_Sub_Queries._2024-5_Downloadly.ir.rar?nocache=1786106520\"><span style=\"vertical-align: inherit\">Download file \u2013 541 MB<\/span><\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">File(s) password: www.downloadly.ir<\/span><\/p>\n<h3 dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">File size<\/span><\/h3>\n<p dir=\"ltr\" style=\"text-align: left\"><span style=\"vertical-align: inherit\">541 MB<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Description EssentialSQL Course: Subquery Magic \u2013 Master SQL Sub Queries.. In this course, you will learn the basics of subqueries and how to use them effective<\/p>\n","protected":false},"author":1,"template":"","dgi_category":[10458],"dgi_tag":[59519,59520,59521,59522,59523,59524,59525],"class_list":["post-6205","digital_item","type-digital_item","status-publish","has-post-thumbnail","hentry","dgi_category-video-tutorials","dgi_tag-course-essentialsql-subquery-magic-master-sql-sub-queries","dgi_tag-download-course-essentialsql-subquery-magic-master-sql-sub-queries","dgi_tag-download-essentialsql-subquery-magic-master-sql-sub-queries","dgi_tag-essential-sql","dgi_tag-free-download-essentialsql-subquery-magic-master-sql-sub-queries","dgi_tag-free-essentialsql-subquery-magic-master-sql-sub-queries","dgi_tag-kris-wenzel"],"_links":{"self":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item\/6205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item"}],"about":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/types\/digital_item"}],"author":[{"embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/digital_item\/6205\/revisions"}],"wp:attachment":[{"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/media?parent=6205"}],"wp:term":[{"taxonomy":"dgi_category","embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/dgi_category?post=6205"},{"taxonomy":"dgi_tag","embeddable":true,"href":"https:\/\/nokobox.com\/index.php\/wp-json\/wp\/v2\/dgi_tag?post=6205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}