VSAM Interview Questions
Questions Answers Views Company eMail

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

TCS, Infosys,

3 9310

In vsam why we use export-import utility?

3 12825

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

2 6432




How do you convert flat files to VSAM files ?

EDS, IBM,

5 19770

What is the maximum record length for the VSAM dataset?

Infosys,

7 15386

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

1 4402

What do you mean by dirty read ?

5 10471

What do you mean by RDW in VSAM?

2 7921




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

1 4581

How vsam datasets are cataloged?

Ordain Solutions,

1 4539

What are the types of VSAM datasets?

IBM,

3 5974

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

IBM,

1 3934

What is a CI, control interval?

3 3726

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

2 4139

What is a CA, control area?

1 3169


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Un-Answered Questions { VSAM }

what are the codes returned by the ams (access method services) command during the execution in vsam?

74


Differentiate between ci split and ca split?

53


how can you load a vsam data set with records ?

80


What is the purpose of idcams?

47


what does a file status of 02 on a vsam signifies?

77






How to get the last record in vsam file in cluster? And how can u get the ksds file records into cobol program?

60


Using alternate indexes in cics program?

38


Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.

1341


If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

49


What is the main function of linear dataset?

54


Define gdg?

50


What are the information stored in ci?

54


What is the function of linear dataset in vsam?

59


what are s0c1, s0c4, s0c5, s0c7 abends?

77


Define base cluster?

41