查詢語句如下
SID為唯一標識符,COMPONENTID字段為要查詢的最新一筆
單表查詢: select * from TestResult_COS_RF_TestData where SID in (select max(SID) from TestResult_COS_RF_TestData group by COMPONENTID) 多表查詢: select A.WO,b.* from [TESTRESULT_S06_MASTER] A INNER JOIN TestResult_COS_RF_TestData b ON A.TESTNUMBER = B.TESTNUMBER where B.SID IN (select max(SID) from TestResult_COS_RF_TestData group by COMPONENTID)