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Difference between Symbollic and an Overriding Parameter

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Joined: 15 Apr 2004
Posts: 1

PostPosted: Wed Apr 28, 2004 11:29 am
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what is the difference between symbollic and an overriding parameter?
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Joined: 06 Jan 2004
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Location: Hyderabad

PostPosted: Wed Apr 28, 2004 2:14 pm
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hi gkavitha,

Please post the threads in the respective that it would be very easy to refer.Even you can get answer quickly for your queries.

Coming to your question:

Using Symbolic parameter you can supply values to that later.In general we will be using notify=&sysuid.
A symbolic parameter is a variable name that can take on various assigned values. A symbolic parameter can be assigned anywhere within the PROC.The major strength of a cataloged PROC is its flexibility through the use of symbolic parameters.

where as Overiding in the sense you are over riding the already present parameters.
An overriding or added DD statement must have the form:

//procstepname.ddname DD parameters

where "procstepname" identifies the procedure step the user is overriding and "ddname" is the DD statement in that procedure step. The following DD statement is an example:


here in the above example you are overriding the value if already present
or adding if not.
Even you can nullify the values by overriding them


Hope you understand

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