How to delete child records from table tradecode that not have parent on tradeco

whatitryis;withmycteas(selectPartidfrom#TradeCodetwherePartDone=1groupbyPartidhaving(count(*)=1))deletetfrom#TradeCodetjoinmyctemonm.Partid=t.Partidselect*from#TradeCode

TradeCodeIdPartIdCodeTypeCodeValuePartDone11222ECCS-USAB123-USnull21255ECCS-USAB555-USnull31222ECCS-URBAB123-URB141255ECCS-URBAB555-URB1111255HTS-USAB900-USnull12909HTS-USAB900-USnull

drop table #MappingCodeValue drop table #TradeCode create table #MappingCodeValue ( id int identity (1,1), ParentCodeType nvarchar(50), ParentCodeValue nvarchar(50), ChildCodeType nvarchar(50), ChildCodeValue nvarchar(50) ) INSERT INTO #MappingCodeValue...