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{"id":1132,"date":"2021-07-20T09:17:30","date_gmt":"2021-07-20T09:17:30","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=1132"},"modified":"2021-09-08T11:56:58","modified_gmt":"2021-09-08T11:56:58","slug":"what-is-the-difference-between-a-join-and-subquery","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/oracle\/what-is-the-difference-between-a-join-and-subquery\/","title":{"rendered":"What is the Difference between a Join and Subquery ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"join\" class=\"color-pink\" style=\"text-align: justify;\"><span style=\"font-family: inherit; font-size: 2rem;\">Join<\/span><\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Joins are SELECT commands that retrieve data from two or more tables.<\/li>\n<li>The WHERE clause usually gives the join conditions that determine how data is selected from each table in the join to fill in the specified columns in the select list.<\/li>\n<li>Joins are used to return rows.<\/li>\n<li>Join is an integral part of the select statement.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"TextHeading\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<h2 id=\"subquery\">Subquery<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\">\n<div class=\"hddn\">\n<ul>\n<li style=\"text-align: justify;\">Subquery is a SELECT statement within another SQL Statement.<\/li>\n<li style=\"text-align: justify;\">Subqueries structure a complex query into isolated parts.<\/li>\n<li style=\"text-align: justify;\">Subqueries allow you to use the results of another query in the outer query.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : Joins are SELECT commands that retrieve data from two or more 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