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 21490

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 9064

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

HSBC,

2 9630

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 5325

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

4 20215

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 11712

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

2 9284

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

12 21009

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 12828

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

CTS,

1 6654

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 23883

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

CTS,

5 38675

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

Cap Gemini,

1 8471

what is differnece between DROP TABLE & DELETE TABLE .

Cap Gemini,

4 11481

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

Cap Gemini,

3 9916

Un-Answered Questions { MainFrame }

Explain how to build up lu 6.2 communication?

1035

Is db2 relational database?

980

what are transient data sets defined to cics?

1177

Discuss about changing dataset name in proc.

1235

What is a lds (linear data set)?

1015

what is data area and how it is used in rpg program ?

1326

Explain the advantage of creating the acbs well ahead of time?

3571

What is the usage of open cursor command?

1100

What are the pertinent COBOL

2570

Can you explain common systems area?

1106

What is the maximum size of a char data type in db2?

1012

what is the maximum number of fields under a record format of physical file?

1855

What is icm instruction?

1062

Every map is categorized into multiple fields, and there are three common working storage fields present for each of these respective fields. Mention those?

1063

Define redefine and its syntax?

980

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