| Update Hanging!!! [message #3974] |
Wed, 30 October 2002 09:20  |
Gopala K Tasupalli
Messages: 14
Registered: October 2002
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Junior Member |
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Hi Friends,
I have a problem with my update script! this script is working fine till now, but this month its giving problems to me. I know there is nothing wrong with the script, and the problem is with the data. but i don't know how to trace it out. Need your help.
Problem :
I have to update LAM_12 field in RAM_LAN table using the LAM_12 field from RAMLANLAM12 table. there are 68141 rows in RAM_LAN table and there are 45237 rows in RAMLANLAM12 table. when i execute the UPDATE script only 32984 rows in RAM_LAN table are getting updated and the Update script is getting hanged(nothing is happening!!!) i waited for one full day but nothing happend. i am forced to come out of the script by pressing CTRL+C keys.
Does any of you have any idea? what could be wrong with my SCRIPT/DATA?
Thanks
Gopal
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| Re: Update Hanging!!! [message #3975 is a reply to message #3974] |
Wed, 30 October 2002 10:11  |
Andrew
Messages: 144
Registered: March 1999
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Senior Member |
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the first thing to look for would be other record/table locks by other sessions. You can try to query the dictionary to show the info you are looking for - or simply use the DBA module in TOAD.
If you can afford to take out full table locks, then your easyiest would be:
whenever sqlerror exit 1
lock table RAM_LAN in exclusive mode nowait;
lock table RAMLANLAM12 in exclusive mode nowait;
update...
If either of those tables has more child tables and there are fk constraints to them, then it'll try to take out locks on those tables too - so there should be available too.
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