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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

How much memory does variable of 6 decimal (15, 2) take in PL/1?

IBM,

1 3277

How do you get parameter from JCL to PL1?

IBM,

2497

How do you pass some input from JCL to PL1?

IBM,

2 18099

How do you pass pointer PL/1 main procedure to sub procedure?

IBM,

1 7245

What is controlled keyword in PL/1?

IBM,

1 4338

How do you write from PL/1 code to JCL?

IBM,

2341

If DB2 query returns in null value, how do you work with it in PL/1?

IBM,

2418

What are the different types of string function in PL/1?

IBM,

1 14737

What is the difference between Verify & Index in PL/1?

IBM,

2 46632

How do you use sub-string as a Pseudo-variable in PL/1? How can we use the variables?

IBM,

1 9108

What are the different types of PL/1 files?

IBM,

2239

How do you handle exceptions PL/1?

IBM,

1 7549

How many minimum number of line codes does PL/1 DB2 program requires?

IBM, TelePerformance,

3042

If an array is multi-dimensional dynamic array how do you deal with it & provide me some examples?

CTS, IBM,

2508

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

IBM,

2976

Un-Answered Questions { IBM MainFrame }

what is the sqlcode -501

13345

Explain how do you access the records randomly in tsq?

1191

Explain the function of the load command?

1204

what do you mean by a vsam slot?

1053

What is buffer pool in the db2 database?

1169

What is meant by drda?

1016

What parameter of the job statement is used to limit the cpu time consumed by the job?

1343

how a data in physical and symbolic map gets treated? Since the physical map is much concerned about the screen alignment and the field positions, how the values entered in the field which has PICIN or PICOUT clause in Physical map gets treated? Does that mean datas recieved or sent to the physical map should be constant? How does the data in Symbolic map gets converted with 5suffix namely F,L,A,I and O. For example EMPNO is treated as EMPNOI, EMPNOO, EMPNOA, EMPNOL and EMPNOF. how does this happen in symbolic map. Please provide your inputs on the above and kindly correct me if I am wrong.

2762

what is the role of the cursor in db2?

1123

How To Compile The COBOL-BD2-CI CS Programs In Real TIme? Please Give Me the Detailed Description?

6869

Can min or max be used with alphanumeric data?

1037

How to code these statements in JCL: CLEANUP INITIAL(NO) RESTART(NO) DYNALLOC(NO) job definition..?

2327

What is the format of comment statement?

1294

What is the difference between a return with transid and xctl?

1124

Why do we need reorg in db2?

1049

For More Un-Answered { IBM MainFrame } Questions Click Here