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Create a GDG base
How to create a GDG base, GDG version and read that version and create the next GDG version in the same job?
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JOBLIB override STEPLIB
We know STEPLIB override JOBLIB. Is it possible anyway JOBLIB override STEPLIB? If Yes, How
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JCL Basic
Why we use // in every JCL statement?
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Create GDG
How to create a GDG through JCL?
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Figurative Constants
Explain COBOL Figurative Constants.
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Level88 Entry
What is the use of Level88 entry in COBOL?
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Mainframe Schedule Job
How to schedule job in mainframe?
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Default Isolation Level
What is the default isolation level in db2 and where can we provide these levels to db2
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Display Count
77 COUNT PIC S9(4)V99 VALUE -1234.55What will be output of the statement DISPLAY COUNT?a) 12345Nb) 12345Ec) -123455d) 123455N
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CICS and DB2
When executing a CICS program that updates DB2 tables, if the program performs a LINK to another CICS modules and the Database changes have not been commited, will the process Rollback the database changes or will they still be in place when CICS returns to the main program.
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JCL Initiator
What is an initiator in JCL and what is the use of it?
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JCL Flat File
How to create flat file thru JCL? Explain with Coding.
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Merge Files
If you have 3 different flat files of different logical length then how will you merge them in single flat file? What is the simplest workaround of this problem using sort utility?
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Mainframe Interview Questions
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