【DB2】SQL0437W Performance for this complex query may be sub-optimal
参考链接Technote(troubleshooting)Problem(Abstract)Error[IBM][CLIDriver][DB2/6000]SQL0437WPerformanceforthiscomplexquerymaybesub-optimal.ReasonCode"1".SQLSTATE=01602EXPENG-E-TYP1,Theoperationpack.i