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How to delete large data.

 
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Mounika Nemani

New User


Joined: 25 May 2018
Posts: 5
Location: India

PostPosted: Wed Jun 13, 2018 1:58 pm    Post subject: How to delete large data.
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Hi All,

I tried to run a delete query in SPUFI.

Code:
DELETE                               
FROM     HIST_QUANTITY         
WHERE    TERMINAL_ID = 'SPRLOD' 


the above query was suppose to delete 1574180 rows from the table.

but I am getting a -904 error with the following reason.
Code:
SQLCODE = -904, ERROR:  UNSUCCESSFUL EXECUTION CAUSED BY AN         
UNAVAILABLE RESOURCE. REASON 00C90096, TYPE OF RESOURCE 00000302, AND
RESOURCE NAME TCPUD1PK.PK000070.X'00004E8A'


need help on how to increase the page locks. or is there any optimization needed for the query to be executed so, that the table doesn't throw -904.

Thanks in Advance
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Nic Clouston

Global Moderator


Joined: 10 May 2007
Posts: 2058
Location: UK

PostPosted: Wed Jun 13, 2018 3:49 pm    Post subject: Reply to: How to delete large data.
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The table did not 'throw' anything. Nothing gets thrown on the mainframe. Your query abended.
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jerryte

Active User


Joined: 29 Oct 2010
Posts: 194
Location: Toronto, ON, Canada

PostPosted: Fri Jun 29, 2018 10:19 pm    Post subject:
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You can use the below to lock the entire table prior to the delete. You need to be sure no one else needs the table
LOCK TABLE HIST_QUANTITY IN EXCLUSIVE MODE
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Rohit Umarjikar

Senior Member


Joined: 21 Sep 2010
Posts: 1968
Location: NY,USA

PostPosted: Sat Jun 30, 2018 4:06 am    Post subject:
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Such things are always discussed with DBAs.
Please do that
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