This article contains 3 examples: - T-SQL; – MS Access; – AS/400. This example shows a standard T-SQL syntax tested on MS SQL 2005 server: update P set P.CertMemberLevelID = Z.CertLevelTo from UPM_MemberPermissionMask P INNER JOIN zzzCertRegistryUpdate Z ON P.MemberID = Z. Cert2ID Here we are updating one filed CertMemberLevelID in table UPM_MemberPermissionMask based on field Cert2ID in table zzzCertRegistryUpdate. This next example was generated using MS Access 2007 syntax: UPDATE CRPDTA_F1201 INNER JOIN CatCode7 ON CRPDTA_F1201.FANUMB = CatCode7.XXNUMB SET CRPDTA_F1201.FAFA7 = [CatCode7].[XXFA7] A field FAFA7 in CRPDTA_F1201 is being updated. Table CatCode7 contains 2 fields: – ID Link field XXNUMB and – Update values field XXFA7 SQL statement JOINs two…