use T24R001

insert into SCREEN_ITEM_MASTER select * from T23R001.dbo.SCREEN_ITEM_MASTER where ItemName collate database_default not in (select ItemName from SCREEN_ITEM_MASTER)


use COMMON
insert into common.dbo.SCREEN_ITEM_MASTER
SELECT     ItemName, ItemRatePerPcs, ItemRatePerMts, ItemGrp, ItemImagePath, ItemOn, ItemCut, FabCost, JobCost, TotCost, CatalogName, Target, ItemImagePath2, ItemImagePath3, ItemImagePath4, 
                      ItemImagePath5, ScreenPcs, PurRatePerPcs, PurRatePerMts, ProfitPerc, Size, HSNCode, GSTPerc
FROM         T23R001.dbo.SCREEN_ITEM_MASTER 
where ItemName collate database_default not in (select ItemName from SCREEN_ITEM_MASTER)