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 is SDSF?

IBM,

13 21659

What will happen if we move SPACES to numeric field and ZEROES to alphabetic field?

T systems,

7 31368

What are ISOLATION LEVELS? Where do we need to specify them?

EXL,

3 10598

What are ISOLATION LEVELS? Where do we need to specify them in compiling JCL (Exactly which statement and what is syntax for it)?

T systems,

2 9504

TIME parameter in JOB statement or EXEC statement specifies What type of time (CPU time or execution time)?

CTS,

5 15516

15. Secondary indexes can be used with following databases a. HSAM,HISAM,HIDAM b. HIDAM, HISAM c. HDAM, HISAM, HIDAM d. All the above

2 8213

What are the special considerations of the PROCOPT field based on the type of operation your program performs

3 8274

Which command code can be used for backing up IMS database?

6 11090

Can a variable length segment be declared in IMS? If yes, what is the structure; If no, why?

2 8540

What are the ways to mapping external control block? a. ENTRY b. PROCEDURE DIVISION USING c. CALL ‘DLITCBL’ d. ALL ABOVE e. A & B

EDS,

4 11322

Write the format of program starting from identification division for checkpoint restart logic.

1 7726

How do I declare the KSDS vsam so that I can store a reocrd with variable length?.

2 11262

What are the default system and catalog libraries in JCL?

Infosys,

2 12075

Hello All, We have requirment to Replace BMC Db2 Load product thru CA FAST LOADPlus product. Do anyone have JCL to for FAST LOADPLUS and what all are thing need to take in consideration.

IBM,

2727

I am new to rexx db2 ,can anyone help me by expalinin how to code the db2 queries using rexx,and also plz send some link and examples using db2 queries.

3 11764

Un-Answered Questions { IBM MainFrame }

What is dbrm? When it will be created?

1029

Categorize the mainframe manual testing?

987

If anyone has latest IBM Certification Dumps can you pls forwards it to me

2970

What is acbgen process?

1194

Which Search verb is equivalent to PERFORM…VARYING?

1043

Write a program to enter and display the names of students in a class using the occurs clause.

1208

HOW to change the coloumns in XREF?

2007

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1095

how we sort two input files based on a common column and giving one o/p file please send me the coding logic?

2134

Tandem COBOL Interview questions (on TACL,SCOBOL,ENSCRIBE,PATHWAY0

23641

Explain package in db2 and its advantages?

1219

Does jcl support automatic restart?

1236

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

1084

How do we get current date from system with century in COBOL?

1381

Explain the catalog?

991

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