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Update query from select statement

Posted By:      Posted Date: September 23, 2010    Points: 0   Category :Sql Server

Cana you I need to do an update from a select statement...i'm really close here but have not quite figured out the nuance...

the full select statement provides correct results and i've joined the outer table with the inside table....can you make recommendations?

BEGIN TRAN --rollback

UPDATE geprs_price..T_ITEM_PRC_CHG 


		FROM geprs_price..T_ITEM_PRC_CHG gep
		and gep.prc_eff_dt = dm.prc_eff_dt
		LEFT JOIN construct..T_AD_USERS con
		ON dm.CONFIRM_BY  = con.UID
		LEFT JOIN construct..T_AD_USERS crt
		ON dm.CREATE_BY  = crt.UID

		AND dm.PRC_TYP_ID in (39)



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