delete t where id in (select id from t where colname like '%1%')
ADOQuery4.sql.Add('where changshangid in (select changshangid from changshang like ''%'+edit1.text+'%'')');他话我like 附近有语法错误
ADOQuery4.sql.Add('where changshangid in (select changshangid from changshang where changshangid like ''%'+edit1.text+'%'')');where changshangid 你忘记写了。
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