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

VSAM Interview Questions

Questions Answers Views Company eMail

What is the difference between PS file and VSAM file?

IBM, Infosys, Verizon,

7 40743

What are all the ways we can create datasets?

IBM,

7 13425

Hi, I want to create alternate index on VSAM file.my file structure is ex: RoomID pic x(7) R000001 Floor pic a((6) First RoomNo pic x(2) FA1 Occupied(yes/no) pic a(3) Yes Occupied Batch pic x(10). Maths i want to create alternate index on floor,roomno fields.can i create alternate index on both the fields.and tell me how to create.

1 6250

How to declare the EMP Name, EMP No., DOB in VSAM KSDS file? Please explain.....

CTS,

3 10415

Can we copy Vsam files from a Vsam file in Iebgener step?

iGate, Tech Mahindra,

4 16040

By looking into the Jcl can we identify the dataset is VSAM?

Cognizant, Keane India Ltd,

5 11711

By looking into JCL can we identify the dataset is VSAM (VSAM dataset supposed to be a input dataset).In this scenerio how will we identify the dataset is VSAM ?

Cognizant, EDS, Shridhar,

5 11730

what is the difference b/w sequential and ESDS

EDS, IBM, Maples,

6 12439

what is freespace

EDS,

2 9593

what is control interval(CI) and control Area(CA)

EDS,

4 11319

If we are using empty VSAM file, we can see this empty file by using FILE AID tool. How can we open empty VSAM file if you are using in Program..?

3 11919

why do we use vsam file thn seqential files ?

Tech Mahindra,

3 11944

can we create vsam files on multiple volumes ?

Tech Mahindra,

3 10334

what is vsam catalog ?

Tech Mahindra,

2 8556

when u r using repro command what happens if both infile and outfile names same

4 10386

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Un-Answered Questions { VSAM }

In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?

1515

What is the use of access method services in vsam?

1125

Define base cluster?

1055

Describe the uses of ams?

1059

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

1237

write a program to read from a VSAM file , there will be a 5 records to create name. empno. resignation and address to update in a db2 table and call another program using dynamic call to find the matching fields in program 1 to update in db2 table. anybody pls send de program for dis ? thanks in advance...

2798

What is the place for VSAM KSDS?

1158

what is the meaning of each of the values in shareopts(2 3)?

1074

there are seven idcams commands in vsam. Can you name and explain each of them?

1164

What is a lds (linear data set)?

1065

Differentiate between control interval (ci) and control area (ca)?

1053

What is the biggest disadvantage of using a vsam dataset?

1201

what are the additional information you should give in the dd statement while defining the next generation of a gdg?

1050

what are s0c1, s0c4, s0c5, s0c7 abends?

1378

what do you mean by gdg in vsam?

1257

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