VSAM Interview Questions
Questions Answers Views Company eMail

Can we copy a sequential file to a VSAM file ? If yes, What will happen of the size of the sequential file is bigger than that of the VSAM file?

CTS, Verizon,

3 35689

1. delete is not possible in esds. why? 2. i have 10 records in a esds file and i want to delete only 1st record ..then what i have to do?.. it will not affect any sequence of the RBA. 3. why open extend is not possible in rrds vsam file?

3 18336

if not using the 'commit' when closing VSAM file,what will happend

CSC,

5 11614

How do I declare the KSDS vsam so that I can store a reocrd with variable length?.

2 10446

How to createing new version of GDG with out loosing the data in preaves GDG version?

Patni, Satyam,

7 18097

When CISZ is declared as 4096 at cluster level,is this true that data will have 4096 and index will have default?????

Wipro,

1 14023

how to view clusters that has more than 10000 records

2 5276

By seeing a program how we findout it is a VSAM program?

TCS,

6 10737

What is the maximum number of Alternate Index ???

4 9919

How to insert values for variables that are declared as COMP-3 variables in COBOL program in an already created VSAM file.

3 8283

How to rename one vsam file as well as it's index?

BEA,

4 25820

how to see the last records in vsam dataset??

1 7539

Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now?

3 7790

Do all versions of the GDG have to be of the same record length ? is it possible to ovverride the dcb of the model dataset?

2 7593

can we create PS file using IDCAMS utility?

IBM,

3 12810


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Un-Answered Questions { VSAM }

What is control area?

748


What is the difference between lds and esds?

642


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

679


Under idcams, multiple functions can be executed, each of which returns a condition code. What will be the condition code returned to the operating system?

661


What is the purpose of idcams?

659






What are the different dataset organizations used in vsam?

651


Explain the function of the relative record data set?

612


what do you mean by define model parameter?

670


What are the access method services used in vsam?

672


what is the use of the file status clause in the select statement in vsam?

651


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

723


Tell me how many alternate indexes you can have on a dataset?

715


Tell about the ams used in vsam?

775


What is control interval?

696


what are s0c1, s0c4, s0c5, s0c7 abends?

888