How to write Subquery ? | Scalar Subqueries | Subqueries for Column values | PART 1
In this video we will see how to write a subquery in SQL.
This is the PART 1 of the subquery series and will cover 2 types of subqueries.
1) Scalar subqueries:
--return a single value or exactly one row and exactly one column
--using comparison operators
2) Subquery in SELECT clause (subqueries for column values)
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