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

which SQL comment successfully removes uncommitted changes from a DB2 database A) rollback B) delete C) drop D) decommit

Accenture, Wipro,

2 12857

how do we do unit testing in mainfrmae. explain step-wise.

IBM, JBK,

2 16786

Can we use redefine clause in occurs clause?

10 24863

What is the difference between write & move in COBOL?

CSC, HHB,

3 14931

What is the meaning of 'TALLING' verb in cobol?

5 16656

What is the meaning of 'Eject' verb in cobol?

TCS, Wipro,

2 28900

How can we pass data from cobol to JCl?

ADP, Amdocs, IBM,

7 48804

How include time & date in the report generation in cobol programing?

2 11459

How does IDMS communicate with CICS?

Covansys, Satyam,

1 5899

What are the pertinent COBOL commands?

Satyam,

3195

What is the difference between a binary search and a sequential search?

10 47119

How can you pass values from COBOL program to non-COBOL programs?

2 7773

How does IDMS insure data integrity?

1 5186

What are the functions like c or c++ in cobol?

2 7160

What is difference between comp & comp-4?

6 22435

Un-Answered Questions { MainFrame }

Define sqlca.

1123

How you can read the file from bottom?

1165

Explain the difference between section, paragraph and sentences?

999

Mention data types used in db2 ?

1173

How to Clear a Query Using the RESET Command ?

1739

What are Naming Conventions in QMF?

1843

Does Disconnect and Connect creates page lock in IDMS ?

1476

What the difference is between continue and next sentence?

1190

Ap wkur,=p5 where wkur is a label?

1173

how many files can be defined in f specs?

2396

What are the error (ONCODES) codes did you encounter in PL/1 programme?

2929

How to reverse a string using RPG?

1528

what is a join logical file?

1230

Suppose I have a program in cobol name ”careerride” and want to execute the program by jcl. Specify the process?

1131

how does the runqry show the output?

1427

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