VSAM Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

VSAM Interview Questions

Questions Answers Views Company eMail

Is it slower if you access a record through ALT INDEX as compared to Primary INDEX? Why?

1 5960

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.

2415

What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?

1 14329

Describe SHAREOPTIONS parameter (SHR) in Define Cluster command.?

1 17739

What does the KEYRANGES parameter in Define Cluster commend do?

1 7460

What are the optional parameters to the input dataset While loading the empty cluster with the data records?

IBM,

1 6183

What is IDCAMS? and what is the purpose of it?

4 18991

How to delete a member using JCL.?

5 15418

What is the Difference between LDS & ESDS ?

3 15317

Is a delete operation possible in an ESDS?B. Is rewrite operation possible in ESDS ?

3 10362

What is an alternate index and path ?

Infosys, TCS,

2 26744

How many buffers are allotted to VSAM KSDS and ESDS?

1 8237

what's the biggest disadvantage of using a VSAM dataset?

Anjana, CTS, DSRC, IBM,

8 20405

what's the device independent method to indicate where a Record is Stored?

1 5762

How many times secondary space allocated?

5 10872

Post New VSAM Questions

Un-Answered Questions { VSAM }

What are the steps involved in access method services?

954

Explain the difference between lds and esds?

1030

How is record management performed in vsam?

1138

what is meant by s0c-07 system abend codes?

1077

what is meant by dirty read in vsam?

1337

What is the main function of key sequenced data set in vsam?

964

what is the meaning of dynamic processing in vsam?

1041

What is a lds (linear data set)?

1007

Differentiate between ci split and ca split?

1005

On which dataset you can have alt index?

915

What is the place for VSAM KSDS?

1102

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.

2415

is it required that primary key values have to be unique? Do alternate key values have to be unique?

1052

What is a ci split? What is a ca split?

1193

explain in brief how are different versions of gdg named?

997

For More Un-Answered { VSAM } Questions Click Here