why we use subquery in sql
We use subquery in order to get aggregate value in column without grouping datawhy we use subquery in sql
We use subquery in order to get aggregate value in column without grouping datawhat is subquery in sql
SUBQUERY IS NESTED QUERY INSIDE A SELECT,
INSERT OR UPDATE METHODS. OR INSIDE ANOTHER SUBQUERYsubquery in sql
UPDATE dataflair_emp1
SET salary=35000
WHERE emp_id = ( SELECT emp_id
FROM dataflair_emp1
WHERE post='Sr.Manager');
select * from dataflair_emp1;subquery sql
UPDATE Book SET note= 'editore: ' + (SELECT name FROM Publisher WHERE Publisher.ID = Book.publisher)Copyright © 2021 Codeinu
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