SET tblCust.LAST_NAME = SUBSTRING(FIRST_NAME, CHARINDEX(' ', FIRST_NAME) + 1, 100) + LAST_NAME
UPDATE dbo.tblCustSET LAST_NAME = SUBSTRING( FIRST_NAME, CHARINDEX( ' ', FIRST_NAME ) + 1, 100 ) + LAST_NAME, FIRST_NAME = SUBSTRING( FIRST_NAME, 1, CHARINDEX( ' ', FIRST_NAME + ' ' ) - 1 )WHERE FIRST_NAME LIKE '%-'