1. SQL語句將兩個select語句查詢結果合並一個
用到"FULL JOIN"關鍵字語法
查詢結果1: SELECT TOP 1 * FROM T_CONNSTATUSLOG WHERE PROBERID='TELC01' ORDER BY ID DESC 查詢結果2: SELECT TOP 1 * FROM T_PRODUCTLOG WHERE PROBERID='TELC01' ORDER BY ID DESC 合並查詢結果 SELECT isnull(a.PROBERID,b.PROBERID) PROBERID, ISNULL(a.ID,0) aID,ISNULL(a.INSERTTIME,0) INSERTTIME,isnull(a.CONNSTATUS,0) CONNSTATUS,ISNULL(b.ID,0) bID ,isnull(b.PROBERCARDID,0) PROBERCARDID,isnull(b.READTIME,0) READTIME from (SELECT TOP 1 * FROM T_CONNSTATUSLOG WHERE PROBERID='TELC01' ORDER BY ID DESC) a FULL JOIN (SELECT TOP 1 * FROM T_PRODUCTLOG WHERE PROBERID='TELC01' ORDER BY ID DESC) b on a.PROBERID=b.PROBERID