select ajdprbh from formtable_main_28 aformtable_main_43_dt1 b where arequestid=bqgdh and qgdh=704989 只显示第一行怎么写
SELECT TOP 1 a.jdprbh FROM formtable_main_28 a INNER JOIN formtable_main_43_dt1 b ON a.requestid=b.qgdh WHERE qgdh=704989;
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