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Relation between Cobol, JCL & Db2

 
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somshekharreddy

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Joined: 05 Sep 2006
Posts: 1
Location: INDIA

PostPosted: Wed Sep 06, 2006 3:30 pm    Post subject: Relation between Cobol, JCL & Db2
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Hi All,

I am very new to the Mainframes world. I am just in the learning stage of it.

I have very general questions about Cobol,JCL,Db2.

I want to know the relation between these three and how are they used in a particular programe from the time of coding the programe till the execution.
Please explain with examples if possible.

Thank you so much,

Shekhar Reddy
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ofer71

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Joined: 27 Dec 2005
Posts: 2360
Location: Israel

PostPosted: Wed Sep 06, 2006 5:20 pm    Post subject:
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COBOL is a programming language, use mostly for business applications.
JCL is a control language, used only for jobs.
DB2 is a relational database which might be accessed using programs or utilities.

COBOL, as programming language, may include access commands to DB2, which can be identified (mostly) by using the statement "EXEC SQL".

A COBOL program, after compilation, may be invoked using JCL.

O.
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