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试图使列中的所有日期都为空,除了 10/15/2012 访问这里我到目前为止。
Update tbl_ReleaseTracking Set 2nd_Ltr_Sent= null WHERE 2nd_Ltr_Sent <> #10/15/2012#
我在查询表达式 '2nd_LRT_Sent <> #10/15/2012# 中收到错误缺少运算符。
这将做你想要的:
Update tbl_ReleaseTracking Set [2nd_Ltr_Sent]= null WHERE [2nd_Ltr_Sent] <> #10/15/2012#
尽管我不熟悉 MS Access,但我认为列不应该以数字开头。尝试用 `` 括住列名?