How does the EXISTS operator work in SQL, and in what scenarios would you use it? - Study24x7
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Ashish Verma
01 Jan 1970 05:30 AM study24x7 study24x7

How does the EXISTS operator work in SQL, and in what scenarios would you use it?

A

EXISTS is used to check if a column exists in a table

B

EXISTS is used to check if a subquery returns any rows, and it is often used in correlated subqueries 

C

EXISTS is used for joining tables

D

EXISTS is used for sorting data in descending order

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