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  Topic: Order of predicates in an SQL query
abhayasahoo

Replies: 1
Views: 1646

PostForum: Database   Posted: Mon Nov 21, 2005 3:33 pm   Subject: Order of predicates in an SQL query
Does order of predicates in an SQL query with a JOIN matter as far as the performance of the query is concerned ?

For example,

SQL1
Select A.col1, A.col2, B.col3

...
  Topic: Delete a member from a PDS
abhayasahoo

Replies: 9
Views: 13744

PostForum: Job Control Language(JCL)   Posted: Wed Aug 13, 2003 2:27 pm   Subject: Delete a member from a PDS
I have a requirement in which I have to delete specific members from different PDSs. Can I do it with a JCL ?
  Topic: Region Parameter
abhayasahoo

Replies: 8
Views: 8868

PostForum: Job Control Language(JCL)   Posted: Tue Dec 10, 2002 10:46 pm   Subject: Region Parameter
Thanks for your replies.

Bill,

What system problems are encountered when one uses REGION=0M in all the jobs ? When all the jobs are coded with REGION=0M on the job card, does the system still ...
  Topic: Delay of less than a second
abhayasahoo

Replies: 10
Views: 10781

PostForum: CICS and Middleware   Posted: Sun Dec 08, 2002 10:18 pm   Subject: Delay of less than a second
Hi,

We are having a CICS-DB2 program where we try to fetch a record INSERTed by another application which happens simulataneously. But for some cases, there is a slight delay in putting the reco ...
  Topic: Region Parameter
abhayasahoo

Replies: 8
Views: 8868

PostForum: Job Control Language(JCL)   Posted: Sun Dec 08, 2002 2:25 am   Subject: Region Parameter
Hi,

Is it advisable to put REGION=0M in all the jobs in the shop ? Let's say that program A does not require enough virtual storage. Does it still allocate unwanted virtual storage for the progra ...
  Topic: Delay of less than a second
abhayasahoo

Replies: 10
Views: 10781

PostForum: CICS and Middleware   Posted: Sun Dec 08, 2002 2:18 am   Subject: Delay of less than a second
Hi,

The CICS Delay function does not support a DELAY INTERVAL of less than a second. I have a requirement in one of the application programs to put in a delay interval of 0.5 seconds. Can I do th ...
  Topic: DB2 timestamp question
abhayasahoo

Replies: 6
Views: 9204

PostForum: Database   Posted: Sat Dec 07, 2002 3:36 pm   Subject: DB2 timestamp question
Many times, we get an SQLCODE of -805 or-818 on BIND. Is there a way we can find the date and time from the CONTOKEN stored in DB2 catalog ?
For example, can we decode the CONTOKEN 170A36060594C259 i ...
  Topic: Accessing tables in different DB2 sub-systems
abhayasahoo

Replies: 12
Views: 16841

PostForum: Database   Posted: Wed Dec 04, 2002 12:17 am   Subject: Accessing tables in different DB2 sub-systems
Is it possible for one DB2 program to access tables from two different sub-systems ?
 
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