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

wht is d/f b/w inner join and outer join ? d/f group by and order by having by ?

2 6699

What is the specific need of Plan and..where are the tables in DB2 are physically saved

Infosys,

3 9516

Whtz the specialty of 77 level number ?

Infosys,

2 9827

Hi, i would like to start a new carrier in DB2 DBA.Which and what all step should i have to take..?

3219

77 I pic 99 value 5 Perorm para-A I times. Para -A. move 10 to I. How many times the para-A will be executed.?

TCS,

9 13204

Can we declare cursor in Procudere division or open the cursor in the Working storage section. Is there any particular rules in the usage of cursors lifecycle

Infosys,

1 8964

Plan is an executable form of sql statements,But what exactly resides inside a Plan. what are the details inside Plan.

IBM,

2 7210

suppose there is one PF having two members PF1 PF2.PF has one unique key Emp ID.could you tell me uniqueness in PF will be effective across members as well ? assume emp iD 3333 is in member PF1 would same Emp id be exist also in member PF2 ?

Tesco HSC, Wipro,

2 7363

how to ftp the natural program to desktop? (from mainframe to pc), is it possible?

2 9764

do we need to mention the location of catalogued procedure for each it's call in a single job?

1 5430

when u r using repro command what happens if both infile and outfile names same

4 10402

can we copy a file from fixed block to variable block and vice versa ....asap

1 6299

Plan has the optimized access path in it. But is that optimized access path is attained or known

IBM,

1 4646

how to run JCL thru COBOL.

Patni,

1 6068

Passing a variable parm from JCL to a cobol/db2 program

IBM,

1 16792

Un-Answered Questions { IBM MainFrame }

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

1413

What is the information associated with sysibm.syslinks table?

1176

What is control interval?

1124

Explain how many conditions can you include in a single handle condition command?

1088

Define RCT.

1272

How can we retrieve the total number of records in RPG & CLLE?

718

Why is free space left in ksds dataset?

1207

What is a base cluste?

1187

What is dl/i?

1218

Explain the difference between a schema and a subschema in idms?

898

What is host variable in db2 cobol?

1144

What is catelog procedure and how many catelog procedure to use in one job?

8810

What is the meaning of a (new, catalog, keep) disposition mean?

1206

explain sorting techniques in cobol program?

1251

Define concatenating?

1161

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