What keys do you have in each table?

来源: 2007-09-14 05:14:01 [旧帖] [给我悄悄话] 本文已被阅读:

select tblFInal.* from tblFInal, tblRaw where tblFInal.primary_key = tblRaw.primary_key (or tblRaw.secondar_key, depends on your table structure) will give you the records that already exist in table tblFInal.