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col1              col2
a                a.1
b                b.1
-------------------------
±í2£º
col1           
a(001)
a(002)
a(003)
...
b(001)
b(002)
b(003)
...
-------------------------
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col1      col2
a(001)    a(001).1
a(002)    a(002).1
a(003)    a(003).1
...
b(001)    b(001).1
b(002)    b(002).1
b(003)    b(003).1
...
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SQL code:
SELECT T2.COL1,T2.COL1+RIGHT(T1.COL2,2)AS COL2 INTO #T
from TB1 T1,TB2 T2 WHERE T1.COL1=LEFT(T2.COL1,1)

DELET TB1
INSERT TB1 SELECT * from #T



SQL code:
SELECT T2.COL1,T2.COL1+RIGHT(T1.COL2,2)AS COL2 INTO #T
from TB1 T1,TB2 T2 WHERE T1.COL1=LEFT(T2.COL1,1)

DELETE TB1
INSERT TB1 SELECT * from #T




SQL code



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