if exists sql query code example

Example 1: t-sql test if table exists

IF (EXISTS (SELECT * 
                 FROM INFORMATION_SCHEMA.TABLES 
                 WHERE TABLE_SCHEMA = 'TheSchema' 
                 AND  TABLE_NAME = 'TheTable'))
BEGIN
    --Do Stuff
END

Example 2: if exists sql server

IF EXISTS (SELECT * FROM tblGLUserAccess WHERE GLUserName ='xxxxxxxx') 
BEGIN
   SELECT 1 
END
ELSE
BEGIN
    SELECT 2
END

Example 3: sql server check table exists

IF EXISTS 
  (SELECT object_id FROM sys.tables
  WHERE name = 'Artists'
  AND SCHEMA_NAME(schema_id) = 'dbo')
  PRINT 'The table exists'
ELSE 
  PRINT 'The table does not exist';