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

what is record label is empty or standard in file description of data division?

HCL,

2 7526

what is label record is standard or omitted in file description of data division?

IBM, TCS,

3 26072

how would find total records in files using seqientional

HSBC,

1 9550

What is the difference between ITER and DO ? I know both are used to execute set of statements repeatedly, but what is the main difference?

CGI, Wipro,

2 17928

Hi, I am getting the error in RPG (All Record Formats for externally-described file ABCD ignored or dropped due to error; file ignored.) Please suggest any

Satyam,

2 28481

Can 88 level variable be declared in FD section..?

Infosys,

1 15660

I have 1000 rows in a db2 table.I want to update first 100 records,How do I do it?

CTS,

4 15686

How do I handle -911 (deadlock) error in a db2 program so that the program will never abend?

CTS, IBM,

3 21688

select distinct(empid),distinct(dept),name from EMP will the above query work?

CTS,

2 9136

We have an output dataset in job with disp parameter as SHR. Can we write data in that file dataset?

CTS, IBM,

2 9149

How can we increment subscript and index?

CTS, IBM,

1 8292

I have two tables A and B. Both tables are connected with SSN number as foreign key. I want to retrieve a column data from B table. How will you write a query?

CTS,

3 8860

While creating a table, by mistake you have given size of one field as 10. But as per requirement size should be 8. What is your next step?

CTS, IBM,

4 11347

We can allocate memory dynamically by using GET MAIN command my question is at what scenario we can't release this memory and reuse this same memory??

BirlaSoft,

3246

what are the paramater we cannot use in procedure?how many instream we can write in single jcl?can we call instream to catalog and ctalog to instream?

Satyam,

2 8560

Un-Answered Questions { MainFrame }

what is DSN parameter and DISP parameter is used for?

1149

What is Framework & How it work?

2124

What is the meaning of the deq command?

1143

what do you mean by a vsam split?

1084

Explain about LMFREE�free data set from its association with data ID

1632

Why would you use find and get rather than to obtain?

1187

If we say that bms length of field = 0, then what does that mean?

1260

When is inspect verb is used in cobol?

1258

What are various loop types supported by rexx?

947

which single rpg opcode performs both setll and reade?

1769

What is inspect in cobol ?

1301

What Is Default Data Type (if You Define Decimals '0') In Physical File?

1854

Is it rquired any server for Ibm framework? Give me list of Ibm framework & recent version IBm framework?

2241

Explain the different ways of initiating transaction in cics?

948

List the various advantages of using jcl language?

1453

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