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How to relate PCB &PCB mask in a program?

 
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p kumaran

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Joined: 08 Feb 2010
Posts: 1
Location: bangalore

PostPosted: Sun Feb 14, 2010 10:43 pm    Post subject: How to relate PCB &PCB mask in a program?
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As I'm totally new to IMS, kindly forgive if my question is so stupid & do clarify the below.

Normally the PCB declaration will be done as below.

PCB TYPE=DB, NAME=HOSPDBD, KEYLEN=26
SENSEG NAME=HOSPITAL, PARENT=0, PROCOPT=K
SENSEG NAME=WARD, PARENT=HOSPITAL, PROCOPT=K
SENSEG NAME=PATIENT, PARENT=WARD, PROCOPT=G
PSBGEN LANG=COBOL, PSBNAME=PATRETRV
END


And in the IMS-Cobol pgm we used to refer the PCB-mask as below.

LINKAGE SECTION
01 PCB-MASK
05 DBDNAME PIC X(8)
05 STATUS-CODE PIC X(2)
05 PROC-OPTIONS PIC X(4)
05 JCB-ADDRESS PIC X(4)

.
.
PROCEDURE DIVISION
ENTRY 'DLITCBL' USING PCB-MASK
.
.
.
CALL 'CBLTDLI' USING function code
PCB mask
I-O Area
SSA's


Now please let me know how & where the PCB will be related with the PCB-mask in a IMS program? Or in other words
where do we refer the PCBname HOSPDBD inside the pgm?
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6258
Location: Mumbai, India

PostPosted: Mon Feb 15, 2010 5:51 pm    Post subject: Reply to: How to relate PCB &PCB mask in a program?
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Quote:
Or in other words where do we refer the PCBname HOSPDBD inside the pgm?
You pass it from the JCL, check the JCL which executes this program.
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Sandy Zimmer

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Joined: 13 Jun 2007
Posts: 826
Location: Wilmington, DE

PostPosted: Tue Feb 16, 2010 1:56 am    Post subject:
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In addition to what Anuj posted, you will see your database in your JCL if you are running DLI. If you are running BMP, you will not.
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6258
Location: Mumbai, India

PostPosted: Tue Feb 16, 2010 3:46 pm    Post subject:
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Thanks Sandy...icon_smile.gif.

P kumaran - Suggest you spend some time with this sticky of IMS DB/DC part of the Forum.
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PeterHolland

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Joined: 27 Oct 2009
Posts: 2429
Location: Netherlands, Amstelveen

PostPosted: Tue Feb 16, 2010 3:52 pm    Post subject:
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Maybe the next link gives some clarification :

http://www.sysed.com/DnLoads/QualityContents/IMSControlBlock/05_Chapter02_IPB1-us.pdf
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Sandy Zimmer

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Joined: 13 Jun 2007
Posts: 826
Location: Wilmington, DE

PostPosted: Tue Feb 16, 2010 5:29 pm    Post subject:
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That is a great link Peter!
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