VSAM Interview Questions
Questions Answers Views Company eMail

What is the difference between CI( Control Interval)and CA (Control Area)?

Infosys, TCS,

3 13481

In vsam why we use export-import utility?

3 16374

What is the maximum no. of records that can be allowed in VSAM ?

2 9013

How do you convert flat files to VSAM files ?

EDS, IBM,

5 25359

What is the maximum record length for the VSAM dataset?

Infosys,

7 20298

What is the procedure for running the batch job in mainframe?

1 6078

What do you mean by dirty read ?

5 13778

What do you mean by RDW in VSAM?

2 10433

While designing vsam files,what is the best way to choose control interval size for the data and the index?

1 6198

How vsam datasets are cataloged?

Ordain Solutions,

1 6141

What are the types of VSAM datasets?

IBM,

3 8295

How are records stored in an ESDS, entry sequenced dataset?

IBM,

1 5631

What is a CI, control interval?

3 5835

What are the distinctive features of a ksds, key sequenced dataset?

2 6097

What is a CA, control area?

1 4464


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Un-Answered Questions { VSAM }

What is the biggest disadvantage of using a vsam dataset?

728


what will happen when you try to open an empty vsam file in a cobol program for input?

714


how can you load a vsam data set with records ?

741


What is the main function of key-sequenced data set?

664


what is the meaning of dynamic processing in vsam?

682






Explain the difference between lds and esds?

672


we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.

829


How is the sorting of vsam files carried?

716


Using alternate indexes in cics program?

664


What is the device independent method to indicate where a record is stored?

686


what are the idcams commands that can be used for vsam and explain each of them.

648


What is the main purpose of having user catalog in vsam?

648


what will happen if there is no secondary allocation made for datasets?

721


name the utility program closely associated with vsam?

667


how do you define an altindx ? How do you use altindxs in batch, cics programs?

724