Subquery in SQL || SQL Subquery tutorial with examples

In this video we have discussed SQL Subquery in a very simple way with examples. Here we have discussed about single row subquery, multi row subquery, correlated subquery and how subqueries can be used in where clause, select clause and from clause. Different important queries are discussed using subquery which are very important for interviews.
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Please Find SQL Commands to create Employee and Department table to practice:
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