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

What does a disposition of (new,catlg,keep) for a dsn mean?

1148

What are steplib and joblib? What for they are used?

1217

Is condition checking possible in jcl? If yes, how?

1288

What are steplib and joblib?

1169

Suppose I have five jobs to do. But I want to hold one?

1125

Is it possible to define dd statements as you want?

1111

How to pass data to a program that is coded in an exec statement?

1333

What is job control language?

1086

What is the difference between the positional and keyword parameters? Give examples.

1255

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

1115

What are hierarchy levels in jcl?

1520

How dummy is used in jcl?

1147

For what purpose steplib and joblib are used ?

1138

How to alter the parameters for the existing gdg?

1199

I have a job called careerride and some steps in it as step1,step2. But I want to execute step2 before step1 ? How do I do that?

1395

Un-Answered Questions { IBM MainFrame }

What is load utility in db2?

1179

What is amode(24)?

1228

What is the use of db2?

1051

What is the function of the steplib dd statement?

1194

How can you validate Sql errors during cursor operation in db2 pgms and where do you code?

2210

What are the jcl procedures?

1118

What are the full forms of spufi and dclgen and why are they used?

1086

IF I mention stop run in CICS what happens?

2371

In real storage usage. By monitor through rmf iii the usage of real storage keep in increasing everyday. Why this happen?

862

What is the use of with ur in db2?

1052

If a ceo wants to see all employees of the company from an online screen. How will be the design of the map from the developer point of view?

1030

What is bmp mode?

3536

WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99 VALUE 123.45. PROCEDURE DIVISION. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. compiler : IGYGR1080-S A "VALUE" clause literal was not compatible with the data category o subject data item. The "VALUE" clause was discarded. WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99. PROCEDURE DIVISION. MOVE 123.45 TO W-B. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. 2375

1476

Differentiate between PCT and FCT.

1174

What is condition checking in jcl? Is this possible?

1114

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