-- Collection of code snippets by Arne Vajhøj 
-- (likely posted to comp.os.vms/INFO-VAX, INFO-TPU, MACRO32, eksperten.dk, newz.dk, LinkedIn or other place sometime between 1990 and now) 
SELECT ISNULL(LEFT(NULL,1),'NULL')
GO
SELECT COALESCE(LEFT(NULL,1),'NULL')
GO
SELECT ISNULL(LEFT(NULL,1)+'   ','NULL')
GO
