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Updating Column in a table

 
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ssowmya

New User


Joined: 10 Oct 2006
Posts: 40

PostPosted: Wed Dec 27, 2006 12:24 pm    Post subject: Updating Column in a table
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Hi

I need to do the foll...I have a table TABLE1 with foll columns
Code:
Name    Seq
---------------
N1         1
N2         1
N2         1
N3         1
N3         1
N3         1
N3         1

Where Seq is populated with '1' initially. I should update the table so that the seq number is incremented for the same name...That is...the resultant table should be
Code:
Name    Seq
---------------
N1         1
N2         1
N2         2
N3         1
N3         2
N3         3
N3         4

Could anyone pls help....
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raghunathns

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Joined: 08 Dec 2005
Posts: 127
Location: rochester

PostPosted: Thu Dec 28, 2006 12:22 am    Post subject: Updating Column in a table
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try like this.
Code:
UPDATE TABLE1 A
SET   COL2 = ( SELECT COUNT(*)
                       FROM TABLE1 B
                       WHERE A.COL1 = B.COL1
                       AND B.COL2 = 1)

------------
Code:
select * from table1 order by col1, col2.


you will get the result.
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