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

When output dataset space is required, what quantity categories are used?

1364

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

1279

How can an in-stream dataset be terminated?

1342

What is the purpose of the dd keylen parameter?

1222

What is the purpose of dd?

1242

What statement marks the end of an in-stream or catalogued procedure?

1 1978

What parameters can be used to limit the number of records written to a sysout dataset?

1 1841

How can the submitting users racf authority be overridden in a job stream?

1265

Differentiate cobol and cobol-ii. (Most of our programs are written in cobolii, so, it is good to know, how, this is different from cobol)?

1117

What guidelines should be followed to write a structured cobol prgm?

1148

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1215

What are the bind parameters ibm db2?

1053

what are bind concepts in db2 cobol?

1096

What are foreign keys in db2?

1108

Is it possible to combine uni-rexx with a compiled language in any application? What applications interfaces are there?

929

Un-Answered Questions { IBM MainFrame }

Define declaration generator (dclgen).

1119

How to Get Information About the Tables?

1692

What are various search techniques in cobol? Explain.

1071

What r the comman abends in db2, jcl and cobol???????

2254

What is the physical storage length of timestamp data type?

1095

is oorexx compatible with rexx?

948

I had Records in file Like this Company Code IBM 2 IBM 1 IBM 4 WIPRO 3 WIPRO 2 WIPRO 9 TCS 4 TCS 6 TCS 3 i want the record of every company with highest code How can i do that?

10155

What is the function of entry sequenced data set?

1084

Mention the different locking levels that are available in db2.

1138

explain the information contained in ci

1037

State the uses of syspring, sysin, sort fields, sum fields and dummy.

1090

Mention one alternative aspect of CICS?

1073

Can I redefine an x(100) field with a field of x(200)?

966

How do I change the column size in db2?

1157

we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.

1328

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