First, it executes the select statement inside the IF Exists.If the select statement returns a value that condition is TRUE for IF Exists.It starts the code inside a begin statement and prints the message.
How if exists works in SQL Server?
- First, it executes the select statement inside the IF Exists.
- If the select statement returns a value that condition is TRUE for IF Exists.
- It starts the code inside a begin statement and prints the message.
How do you check already exists in SQL?
- Using EXISTS clause in the IF statement to check the existence of a record.
- Using EXISTS clause in the CASE statement to check the existence of a record.
- Using EXISTS clause in the WHERE clause to check the existence of a record.