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

I had ruestion in one of the interview..... If 1 file has more than 1 member and i want to use the 2nd member in the RPG pgm (in RPG400),how can I use this.... I know the possible answers i.e. useing API 'QCMDEXE' or Before calling the pgm I can use OVRDBF for that member... but I dont' want to use both the tips in above scenarion. Does any body tell me how can i use this ....?

Mind Tree,

13 21028

One of the job in subsystem is in Running status,expected time to complete this job is 2 minutes. But from last 5 -10 minutes this job is still in running status....What are the possible reasons...and What are the actions i need to perform to check this...?

4 8884

Can anybody tell me in which scenario we have to use SQLRPG .(Embeded SQL)....?

HSBC,

2 9505

What will be the value of STRING after line 0106 is executed in the code below? 0101 E* Fromfiletofile..tabnameprnentlenpdatabnamlenpda 0102 E ARR 8 1 0103 ISTRING DS 0104 I 1 8 ARR 0105 C MOVE *BLANK STRING 0106 C MOVEA'ABC' ARR A) 'AAAAAAAA' B) 'BBBBBBBB' C) 'CCCCCCCC' D) 'ABC ' E) ' ABC'

2 5207

can we perform CHAIN operation on Subfile record format....?

4 19989

What error I will get if my select query gives multiple row while executing a Cobol-DB2 program.How can I solve it without using a cursor.

Cap Gemini, Verizon,

4 11503

Can we trigger an rpg program which has user interaction with display file when updating a file using the command ADDPFTRG?

2 9157

Can we have a Physical file without any member ? Please let me know

12 20518

My cobol program(not having any sql statements) is calling another cobol program ( having sql statements), what is needed for compilation and run in jcls .

Cap Gemini, RBS,

3 12648

Can we able to find all the Table names under a Particular Plan?

CTS,

1 6560

what is use of sflnxtchg and use of MDT(modify data tag).both r same r not and can we use these on dspf and subfile.

2 23771

what is CCID in endevor, what it is its role?

CTS,

5 38424

1. what if null values retrived from database and no null indicator mentioned in query. What is sql code.

Cap Gemini,

1 8386

what is differnece between DROP TABLE & DELETE TABLE .

Cap Gemini,

4 11256

What if we fail to give values in columns declared as NOT NULL ?

Cap Gemini,

3 9760

Un-Answered Questions { MainFrame }

what are bind concepts in db2 cobol?

1041

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

1041

Explain the system transid cemt?

1043

How joinkeys helps in sort?

942

how do you define single dimensional array and multidimensional array in your cobol?

1054

How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length ----TRY

1325

What is the difference between iter and do? We know both are used to execute set of statements repeatedly, but what is the main difference?

980

What is db2? Explain.

996

What are the different dataset organizations used in vsam?

956

what is a spool file?

1088

Explain the difference between various read and find statement and which one should be used when for better adabas performance?

951

how do you reference the rrds file formats from cobol programs

1509

Hi Everyone... Under the Logical files, when am working on multiple rec format logical file, I have joined two pf's using the multiple record format logical file concept, but when i run queried the LF only the first mentioned pf records are reflecting and I am not able to see any of the field records specified under the second pf. Kindly let me know whats the reason behind this. Below is the str of LF., R rec PFILE(LOGICAA) CUSTNO CUSTNAME BILL K CUSTNO R rec1 PFILE(LOGICAA1) CUSTNO ADD K CUSTNO .....

2323

what do you mean by a vsam slot?

945

a dd statement has 2 types of parameters. Name them?

1098

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