摘要:
今天,为了适应需求的改变,而给表TableA(化名)添加了一个字段ReplyTo IF NOT EXISTS( SELECT * FROM sys.Columns WHERE name =N'ReplyTo' AND object_id=object_id(N'[OPQ_TableA]'))ALTER TABLE [OPQ_TableA] WITH CHECK ADD ReplyTo var... 阅读全文
posted @ 2008-12-19 15:08
asterzhao
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