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 7528

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

IBM, TCS,

3 26073

how would find total records in files using seqientional

HSBC,

1 9551

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 17929

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 28486

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

Infosys,

1 15663

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

CTS,

4 15689

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

CTS, IBM,

3 21695

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

CTS,

2 9139

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

CTS, IBM,

2 9152

How can we increment subscript and index?

CTS, IBM,

1 8296

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 8864

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 11352

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 8569

Un-Answered Questions { MainFrame }

How to find occurrence of mu and pe fields in a file?

892

What is the function of linear dataset in vsam?

1073

How to retrieve rows from a db2 table in embedded sql?

1391

which utility is used to run a cobol-db2 program?

1401

Is ibm db2 open source?

1075

how do you use commitment control in rpg program ?

2066

I have done a start browse on a vsam dataset. Can I do another start browse without doing an end browse?

1086

How to find the maximum value in a column in the db2 database?

1084

how can a cgi check whether an ifs object is available?

1103

Highlight all the advantages that are attached to a package.

1119

Explain what is a cursor in cics sql processing?

1034

What are the types of perform?

1044

To Add A File To The 'file Selection' Option Of A Query, The Function Key To Be Pressed Is?

1221

what is the necessary keyword needed to scroll subfile records?

1161

what is service program?

1036

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