JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG

IBM,

3 10556

What is a Generation Data Group (GDG)?

2 6460

How is a GDG base created?

4 18600




What is model dataset label(Model DSCB)?

1 19079

How are GDGs concatenated?

1 10134

How is a new GDG coded?

2 6605

When should DISP=MOD is used?

TCS,

6 35766

How is a dataset passed from one step to another?

DELL,

2 9955




How are datasets concatenated?

CitiGroup,

2 8835

What is the difference between the JOBLIB and the STEPLIB statements?

3 27441

Name some of the JCL statements that are not allowed in procs.?

1 9638

What is primary allocation for a dataset?

4 9198

What is the difference between primary and secondary allocations for a dataset?

8 34180

How many extents are possible for a sequential file ? For a VSAM file ?

2 13615

What does a disposition of (NEW,CATLG,DELETE) mean?

3 11442


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Un-Answered Questions { JCL }

when does a dataset go uncataloged?

10


The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

14


what is use of dcb parameter in dd statement?

18


how you will define a temporary dataset in jcl?

9


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2898






which parameter is use to declare the name of dataset in dd statement?

11


What happens if both JOBLIB & STEPLIB is specified ?

8


I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

9


What does it mean by Restart and Checkpoint in JCL ? How are checkpoints being taken and what is their usage ? How to use Checkpoint macro on a JOBSTEP ?

7929


how you can access an uncataloged dataset in a JCL?

7


How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length ----TRY

185


in ways data can be passed to a COBOL program from JCL?

16


how JCL works?

11


hello friends ,i have exam in Hsbc,pls any on send me placement papers and technical questions on mainframes,thank u

1034


what EXEC statement is and what is the syntax of EXEC statement used in JCL?

7