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 21928

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 9234

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

HSBC,

2 9748

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 5454

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

4 20415

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 11896

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

2 9400

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

12 21438

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 12983

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

CTS,

1 6775

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 24028

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

CTS,

5 38890

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

Cap Gemini,

1 8557

what is differnece between DROP TABLE & DELETE TABLE .

Cap Gemini,

4 11658

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

Cap Gemini,

3 10048

Un-Answered Questions { MainFrame }

How to get the last record in vsam file in cluster?

1070

What are fillers?

1105

What is the difference between perform … with test after and perform … with test before?

1504

What is dclgen (declaration generator)?

1119

Explain the difference between external subroutine and subprogram?

1312

How to find the list of source physical files in a library?

1199

For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1168

What is the purpose of disp parameter?

1180

What is adabas and why it is used?

994

Name some of the examples of COBOl 11?

3199

What is the syntax for FETCH in DB2 ?

1272

How do I add a column in db2?

1097

When you are obtaining next within a set and get a end of set return code, on what record are you now current in idms?

867

If we say that bms length of field = 0, then what does that mean?

1334

What rules are to be followed while using the corresponding options?

1127

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