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

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

Can we move SPACES to numeric field and ZEROES to alphabetic field? If yes what are the way doing this?

T systems,

6 44983

What will happen if we generate GDG (+2) version without generating (+1) version?

IBM, T systems,

2 20427

How many maximum number of procedures can we write in one COBOL program?

5 10667

Can we MOVE X(9) to 9(9) OR 9(9) to X(9)? If yes what are the ways for doing this?

T systems, Tech Mahindra,

12 64240

What is SDSF?

IBM,

13 21726

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

T systems,

7 31419

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

EXL,

3 10634

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 9525

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

CTS,

5 15548

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 8235

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

3 8298

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

6 11137

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

2 8561

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 11347

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

1 7740

Un-Answered Questions { MainFrame }

Explain the function of job statement in jcl?

1220

How to compare two files in SYNCSORT and on the mismatch record should be deleted from second file.

5552

What Is Default Data Type (if You Define Decimals '0') In Physical File?

1865

what do you mean by the repro command?

1108

what is the purpose of coding notify parameter in job statement?

1171

how you can direct the data to spool using SYSOUT option?

1473

Ap wkur,=p5 where wkur is a label?

1168

How do you eliminate duplicate values in db2?

1210

Explain how can the disposition of sysout datasets be set for an entire jobstream?

1108

does uni-rexx give me any capabilities designed specifically for the unix environment?

992

What is monosysplex?

797

We have an output dataset in job with disp parameter as shr.

956

How to Define a Procedure in RPG?

1743

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

1304

different type of cursor?

1063

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