1
此NO JOIN PREDICATE警告应该让我感到震惊吗？
我正在对性能不佳的存储过程的细节进行故障排除。该过程的这一部分将引发NO JOIN PREDICATE警告 select method = case methoddescription when 'blah' then 'Ethylene Oxide' when NULL then 'N/A' else methoddescription end, testmethod = case methoddescription when 'blah' then 'Biological Indicators' when NULL then 'N/A' else 'Dosimeter Reports' end, result = case when l.res is null or l.res <> 1 then 'Failed' …