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SQL code:

/*
table1
LH LB
table2
LH LB
ÏÖÔÚÎÒÏë¸üÐÂtabl2 LB Ìõ¼þÊÇtable1µÄLH =table2µÄLH
*/
update table2 set LB = LH.LB
from table1 LH inner join table2.LH on LH.LH = LH.LH


update table2 set LB = a.LB
from table1 a inner join table2 b on a.LH = b.LH


SQL code:
update table2 set LB = LH.LB
from table1 LH inner join table2 LH on LH.LH = LH.LH


SQL code:
update table2 set LB = A.LB
from table1 A inner join table2 B on A.LH = B.LH


SQL code:
update table2 set LB = LH.LB
from table1 LH1 inner join table2 LH2 on LH1.LH = LH2.LH


update table2 set LB = table1.LB
from table1 inner join table2 on table1.LH = table2.LH


update LH2 set LB = LH1.LB
from table1 LH1 inner join  table2 LH2 on LH1.LH = LH2.LH



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