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

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

without logical file we cannot access the data in physical file.but we specify physical file in the program(ie:- Ffile IF E k disk).how can it be accessed?

HSBC, TCS,

3 9854

while i am using the dspmsg command on comman line in Mocha am getting error like Not authorized to message queue message my messagequeue Name? can anybody help me how to change my message queue Am anable to see my messages in message queue

1 3325

I have a jcl which is using 2 data sets i want to override those data sets. how can i override the files within the JCL. Give me the syntax. Make sure that it is not calling any Proc.

1 3739

how to know total no of records in pf with out using sql??????

3 13053

Can we able insert data into a PS file Using IEBUPDTE utility??? If Yes can anyone describe it please..

1 5798

proc1,proc2,up to proc5 is there if i want to call proc1 and proc5how can u write the code

2 6438

Shall i use this query to retrieve first 4 records, Select empno, sal from emptbl where empno < 5. like this can we fetch first 100 records?

3 7532

Errors in Sql query will be in which state?

1 5383

Select empno, sal from emptbl where empno < 101.By this query can we fetch first 100 recs? where empno is primary key.It won't throw -811 error? if it wont,then what is use of cursor technique while fetching first 100 recs. Please need more clarification.

2 6245

what is lrec=f,what is difference between f,fb,v,vb?what is default value?how do we came to know that records are in f,fb,v,vb?

IBM, Wipro,

2 21835

I had 100 steps in jcl i want to execute first 10 steps only?

IBM,

6 12459

what is the use of ENTRY in IMS?

CGI,

3 13441

I had 100 records and i want to execute last three records by using cobol programming?what will be coding?

IBM,

4 11962

How do get the result of your program directly on your pc?

UST,

2333

What is diff between vsam and db2?what is advantage of db2 over vsam?which is best suited one?

Fidelity,

1 9413

Un-Answered Questions { MainFrame }

What is the use of base and index registers in the IBM 360/370 processor?

3759

Using alternate indexes in cics program?

1010

distinguish between terminating a program through seton lr and return?

1094

Can there be more than one cursor open for any program?

1165

How can we read records for specific member in CL? AND rpg?

693

What does the sample library of uni-rexx consist of?

1058

can I redistribute oorexx freely with commercial software?

1030

what how do you initialize a vsam file before any operation? A vsam with alternate index?

1007

when does a dataset go uncataloged?

1300

How scary is it to write code for a bank?

988

What are the various data types available in db2?

1088

Explain the function of entry-sequenced data set?

1027

why is there no os/2 (ecs) port of oorexx?

994

Explain the function of the cics translator?

1040

what are the different types of data areas?

1733

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