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 10025

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 3432

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 3840

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

3 13220

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

1 5894

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

2 6588

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 7697

Errors in Sql query will be in which state?

1 5496

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 6371

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 21988

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

IBM,

6 12730

what is the use of ENTRY in IMS?

CGI,

3 13632

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

IBM,

4 12166

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

UST,

2404

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

Fidelity,

1 9506

Un-Answered Questions { MainFrame }

how to validate input values in display file ?

1278

State the maximum value up to which volumes can be inserted to an stogroup?

1103

How to define a vsam file in cics getting into cics to define a vsam file.

1244

My IMS main progam is calling Db2 subroutine ...Its giving - 923 db2 sql code..so could any one tell how to solve this issue.

3645

which are the string manipulation opcodes?

1123

What is the copy idms subschema-binds?

896

What are the objectives of dbms in ims?

1146

How to dsect parameter is used in bms?

1374

how are start and xctl different?

1015

What are the types of record locks and how are they set?

1670

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

1156

How to send a sms to a mobile through mainframe vm’s?

1043

difference between tsq and tdq?

1270

what is the difference between JES3 and JES2?

1203

What is CICS ?

1054

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