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

IBM MainFrame (5234)
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MainFrame Interview Questions

Questions Answers Views Company eMail

Explain control variable in online screens?

968

Explain how to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1094

Explain the data storage?

959

What is the difference between read(1) and read work file once?

993

Explain how to move cursor to a particular field when position is not known?

967

Define cobol coding sheet?

968

How to receive data passed through jcl parm parameter in a natural program?

944

Explain how are you going to remove duplicates from the file that is being read?

976

What is the difference between escape(top or bottom) and escape immediate(top or bottom?

969

How can we see the copy book length using file-aid?

928

What are the sub parameters for undo command?

1046

What is the structure and definition for the same?

977

What are the parameter we cannot use in procedure? How many instream we can write in single jcl?

1037

Can we call instream to catalog and catalog to instream?

1113

What are the parameter we cannot use in procedure?

1085

Un-Answered Questions { MainFrame }

List out all the tables that are a part of cics ?

927

How do I import a csv file into db2?

955

I have created a command that display Source file and library. Now i want that when i enter library name and press f4 on Source file, pgm should display all the PF- SRC's in that Library. For F4 option i have used Choice program but since only limited paramters are passed in Choice pgm i am not able to paas library name and further can't call a pgm that will display list of Source files. Below is the Code snippet for CMD type object :- CMD PROMPT('Source Scan for HUB Standard') PARM KWD(SOURCE) TYPE(*CHAR) LEN(1) RSTD(*YES) + VALUES(N A) MIN(1) + CHOICE('N,A') PARM KWD(SRCFILE) TYPE(FILE) RSTD(*NO) + PROMPT('SOURCE FILE') FILE: QUAL TYPE(*NAME) LEN(10) RSTD(*NO) EXPR (*YES) + CHOICE(*PGM) + CHOICEPGM (XXXXXLIB/YYYPGM) QUAL TYPE(*NAME) LEN(10) DFT(*LIBL) + SPCVAL((*LIBL)) EXPR(*YES) PROMPT ('Library') Below is the Choice pgm:- PGM PARM(&PARM1 &PARM2) DCL VAR(&PARM1) TYPE(*CHAR) LEN (21) DCL VAR(&PARM2) TYPE(*CHAR) LEN (2000) IF COND(%SST(&PARM1 1 10) = 'CHOICE ' *AND + %SST(&PARM1 11 10) = 'SRCFILE ' *AND + (%SST(&PARM1 21 1) = 'C' *OR %SST (&PARM1 + 21 1) = 'P')) THEN (DO) /* (%SST(&PARM1 21 1) = 'C' *OR %SST (&PARM1 + */ CHGVAR VAR(&PARM2) VALUE('Name, F4 for List') ENDDO IF COND(%SST(&PARM1 1 10) = 'CHOICE ' *AND + %SST(&PARM1 11 10) = 'SRCFILE ' *AND + %SST(&PARM1 21 1) = 'P') THEN (DO) CHGVAR VAR(&PARM2) VALUE('Name, F4 for List') CALL PGM(GTSQL) PARM ('XXXXLIB') return ENDDO Thanks in Advance for looking into.

3468

What statement can be used to send data to another mvs jes3 node?

1605

What is the maximum number of levels allowed in ims db?

954

Explain the job statement in jcl?

1130

Whats the difference between search & search ALL?

6445

how do you code a null statement?

1303

How can we debug cobol pgm containig idms using xpeditor?

1476

Explain the difference between null compression and default compression?

906

where can you specify an indicator in lokup operation?

1764

How is the record format of an output dataset specified?

1133

What are the uses of commit and finish?

856

What are the different versions of gdg named?

961

What is the main function of the sign-on table?

1031

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