Oracle-L: Re: SQL tuning help

From: <Sathyanaryanan_K/VGIL_at_vguard.satyam.net.in>
Date: Tue, 26 Nov 2002 21:08:39 -0800
Message-ID: <F001.0050D2C8.20021126210839@fatcity.com>

check out the status in v$sess
Regards,

Sathyanarayanan

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


|        |          "Sergei"     |

|        |          <sergei_at_netfl|

|        |          ip.com>      |

|        |                       |

|        |          27/11/2002   |

|        |          00:24        |

|        |          Please       |

|        |          respond to   |

|        |          ORACLE-L     |

|        |                       |

|--------+----------------------->
  >------------------------------------------------------|
  |                                                      |
  |       To:     Multiple recipients of list ORACLE-L   |
  |       <ORACLE-L_at_fatcity.com>                         |
  |       cc:     (bcc: Sathyanaryanan K/VGIL)           |
  |       Subject:     SQL tuning help                   |
  >------------------------------------------------------|

Hello everybody,

I have the following query that runs every week.

UPDATE tmp_brian_metareward1 tmp
SET offers_seen = (SELECT count(f.fastcash_id) FROM metareward.fastcash f

                             WHERE f.subsite_id = tmp.subsite_id
                               and attempt >= trunc(sysdate-1)
                               and attempt < trunc(sysdate)
                             group by tmp.subsite_id);

This week it began to hang and I can't figure out why. No changes were made to a database. Please advise me on how I can tune it, which hints to add, or anything else I can do.

Thank you
Sergei

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Author: Sergei
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  INET: Sathyanaryanan_K/VGIL_at_vguard.satyam.net.in

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Received on Tue Nov 26 2002 - 23:08:39 CST