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  1.  Home
  2. COBOL400-L
  3. May 2006

Re: Locking records on Cobol

You might want to check your SELECT statement.
You may need:  LOCK IS MANUAL  inside the SELECT
----- Original Message ----- From: "Garcia, Luis" <lgarcia@xxxxxxxxxxxxxxxxxxx> 
To: "'COBOL Programming on the iSeries/AS400'" <cobol400-l@xxxxxxxxxxxx>
Sent: Monday, May 22, 2006 1:44 PM
Subject: Re: [COBOL400-L] Locking records on Cobol
The main issue is that program appears to be locking the whole table no one 
can access another record while someone has a record.  I'll with "NO LOCK"
and seem how it goes.

-----Original Message-----
From: cobol400-l-bounces@xxxxxxxxxxxx
[mailto:cobol400-l-bounces@xxxxxxxxxxxx] On Behalf Of Don Stafford
Sent: Monday, May 22, 2006 11:31 AM
To: COBOL Programming on the iSeries/AS400
Subject: Re: [COBOL400-L] Locking records on Cobol

For us, we decide how to handle the lock, based on the program type the is
reading and changing the record.
If it is a "batch" program (one that does not require a user to touch the
keyboard), then we do not include a LOCK statement.... the time the record
is active should be only a couple milliseconds.
If the program is "interactive", then maybe.... it depends on the field(s)
being (or allowed to be) changed.
Most of the time, we do not lock the record. So far (17 years), it has not 
been an issue.
----- Original Message ----- From: "Garcia, Luis" <lgarcia@xxxxxxxxxxxxxxxxxxx> 
To: "'COBOL Programming on the iSeries/AS400'" <cobol400-l@xxxxxxxxxxxx>
Sent: Monday, May 22, 2006 1:04 PM
Subject: Re: [COBOL400-L] Locking records on Cobol



Would it be wise to use the "NO LOCK" if I'm changing the record?

-----Original Message-----
From: cobol400-l-bounces@xxxxxxxxxxxx
[mailto:cobol400-l-bounces@xxxxxxxxxxxx] On Behalf Of David Scott
Sent: Monday, May 22, 2006 9:30 AM
To: 'COBOL Programming on the iSeries/AS400'
Subject: Re: [COBOL400-L] Locking records on Cobol

Try read with "NO LOCK"


David Scott
SmartWeb Technology, Inc.
dlscott@xxxxxxxxxxxxxx
(Voice) 407-671-2277
(Cell) 407-310-8106
(Fax) 407-264-6877


-----Original Message-----
From: cobol400-l-bounces@xxxxxxxxxxxx
[mailto:cobol400-l-bounces@xxxxxxxxxxxx] On Behalf Of Garcia, Luis
Sent: Monday, May 22, 2006 11:00 AM
To: 'COBOL Programming on the iSeries/AS400'
Subject: [COBOL400-L] Locking records on Cobol
Importance: High

Hi everyone, I'm having a rough time with a program.  The program is used
for a lot a people and every time someone tries to change data, the
program
freezes anyone who tries to access another record.

Can anybody tell me what steps I should take to correct this problem.

Thanks very much for all the help

Luis
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