This article is tagged with:
Sql exists
and mysql
sql if exists
if exists(select 1 from table where id = 4)
if exists sql server
IF EXISTS (SELECT * FROM tblGLUserAccess WHERE GLUserName ='xxxxxxxx')
BEGIN
SELECT 1
END
ELSE
BEGIN
SELECT 2
END
sql exists
Checks for the existence of any record within the subquery, returning true if
one or more records are returned.
Example: Lists any dealerships with a deal finance percentage less than 10.
SELECT dealership_name
FROM dealerships
WHERE EXISTS (SELECT deal_name FROM deals WHERE
dealership_id = deals.dealership_id AND finance_
percentage < 10);
