Use [EnVisage] UPDATE dbo.[Security] SET SecurityObject = 'AccessToOtherResources' WHERE SecurityObject = 'NonProjectTimeFullAccess' GO INSERT INTO dbo.[Security] (PrincipalId, [Read], [Write], SecurityObject) SELECT A.PrincipalId, A.[Read], A.[Write], 'RD_ResourceNonProjectTime' FROM dbo.[Security] A WHERE A.SecurityObject = 'AccessToOtherResources' AND NOT EXISTS( SELECT B.* FROM dbo.[Security] B WHERE (B.PrincipalId = A.PrincipalId) AND (B.SecurityObject = 'RD_ResourceNonProjectTime') ) GO