Re: UPDATE

From: <PK_Deepa/VGIL_at_vguard.satyam.net.in>
Date: Wed, 23 Oct 2002 07:15:29 -0800
Message-ID: <F001.004F0FA2.20021023071529@fatcity.com>

 Try this
update x z set id2 = (select id2 from a where z.id1=id1 and id2<>0) where id2=0;

Deepa

|--------+----------------------->


|        |          Imran Ashraf |

|        |          <imran9a_at_yaho|

|        |          o.com>       |

|        |                       |

|        |          23/10/2002   |

|        |          03:03 PM     |

|        |          Please       |

|        |          respond to   |

|        |          ORACLE-L     |

|        |                       |

|--------+----------------------->
  >--------------------------------------------------------|
  |                                                        |
  |       To:     Multiple recipients of list ORACLE-L     |
  |       <ORACLE-L_at_fatcity.com>                           |
  |       cc:     (bcc: PK Deepa/VGIL)                     |
  |       Subject:     UPDATE                              |
  >--------------------------------------------------------|

Hi,

I have table x with 2 columns:

ID1 ID2
---- ----

1      0
1      5
2      0
2      10

I want to update ID2, set the 0s to the other value for the same ID1. So, i would have:

ID1 ID2
---- ----

1      5
1      5
2      10
2      10

Whats the best way to do this?

Thanks.

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Author: 
  INET: PK_Deepa/VGIL_at_vguard.satyam.net.in

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Received on Wed Oct 23 2002 - 10:15:29 CDT