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

How to DEBUG a JCL?

Satyam,

9 26939

What are the functions in DB2?

Satyam,

3 9395

How to know the primary key of a table without defining the primary key in the table?

Satyam,

5 15325

can we drop column from a table

INDUS,

7 21084

how to create a new pds with the structure of an existing pds?

Cap Gemini, IBM,

17 43395

How to declare if emp-name = AAAAA""BBB in working-storage section. After display emp-name should print like AAAAA""BB

Polaris,

6 9759

How to send a SMS to a mobile through Mainframe MVS? Please let me know a detailed information regarding this SMS feature in Mainframe.

5 15981

What is the differentiation between TRK,cyl, and Bytes... how they can be connected??

2 28992

How to execute a cics program from a paticular date and time .or specified date and time.

CSC,

3 10439

hi provide info about any real time requirement in health care and banking services mainframe applications. pls send immediate reply to me.

1990

who will provide realtime projects for me on mainframe banking Or health care domain on bangalore."it's urgent for me" pls send uregent reply

IBM, Infosys,

3 12523

what is the difference between clear and reset opcodes and open and close opcodes?please tell me in real time senario with example please? And What is the use of SFLNXTCHG?Where we can use this?

IBM,

4 39912

Hi,while writing a program, what is the mandatory specification using rpg/400 (in7 specification)?And please tell me what is the difference between SCAN AND CHECK opcodes?can any body tell me in real time senario?with example?

3 9968

what is the rpg and cl life cycle?Please tell me any body

4 11240

whare we can use IN AND OUT AND UNLCK opcodes?please can any body tell me in real time senario with example

2 7765

Un-Answered Questions { MainFrame }

What is z os in mainframe?

988

what is cab?

1163

Name the cics command used to access current date and time?

1131

Is it possible to obtain a record from IDMS database without mentioning the record-name itself?

1328

Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1057

Can you explain create an empty file by using sort?

943

What are the parameters that are used in creating a gdg?

1199

What does a deadlock mean in DB2?

1160

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

980

Suppose I want to code a rexx program in order to get the inputfile and output files of jcl. I want code snippet or the coding for this?

938

can we define multi-dimensional arrays in rpg ?

1629

Explain about mirror activator disk mirroring?

1004

can you explain the difference between spacea,spaceb,skipa and skipb. I'm new to learning about as400 and printer files. can any one give me an example using source code showing the difference that occurs between using these 4 keywords. A-Physical file PF004 source UNIQUE R RR STUNAM 10 ROLLNU 5 0 MARKS 3 0 SEX 6 K ROLLNU 4 records present in PF004 are STUNAM ROLLNU MARKS SEX KAVYA 12,344 55 FEMALE MADHAVAN 14,579 60 MALE RAMYA 14,785 70 FEMALE KRISHNAN 14,988 72 MALE B-Printer File PRINT1 source A R HEADER A 10 3'STUNAM' A 10 20'ROLLNU' A 10 30'MARKS' A 10 40'SEX' A R DETAIL A SPACEB(1) A STUNAM 10 3 A ROLLNU 5 0 20 A MARKS 3 0 30 A SEX 6 40 A R FOOTER A SPACEB(1) A 20'END OF REPORT' C-RPG/400 Program PRTTPG source FPF004 I F E DISK FPRINT1 O E PRINTER C WRITE HEADER C READ PF004 60 C *IN60 DOWEQ *OFF C WRITE DETAIL C READ PF004 60 C ENDDO C WRITE FOOTER C SETON LR D-spooled file result set Display Spooled File File . . . . . : PRINT1 Page/Line 1/10 Control . . . . . Columns 1 - 130 Find . . . . . . *...+....1....+....2....+....3....+....4....+....5....+.... 6....+....7....+....8....+....9....+....0....+....1....+.... 2....+....3 STUNAM ROLLNU MARKS SEX KAVYA 12344 055 FEMALE MADHAVAN 14579 060 MALE RAMYA 14785 070 FEMALE KRISHNAN 14988 072 MALE END OF REPORT Bottom F3=Exit F12=Cancel F19=Left F20=Right F24=More keys I have changed from SPACEB to SPACEA now in my printer file source E-Changed PRINT1 Source A R HEADER A 10 3'STUNAM' A 10 20'ROLLNU' A 10 30'MARKS' A 10 40'SEX' A R DETAIL A SPACEA(1) A STUNAM 10 3 A ROLLNU 5 0 20 A MARKS 3 0 30 A SEX 6 40 A R FOOTER A SPACEA(1) A 20'END OF REPORT' F-Spooled file Result Set after keyword change Display Spooled File File . . . . . : PRINT1 Page/Line 1/10 Control . . . . . Columns 1 - 130 Find . . . . . . *...+....1....+....2....+....3....+....4....+....5....+.... 6....+....7....+....8....+....9....+....0....+....1....+.... 2....+....3 KAVYAM 12344U 055KS FEMALE MADHAVAN 14579 060 MALE RAMYA 14785 070 FEMALE KRISHNAN 14988 072 MALE END OF REPORT Bottom F3=Exit F12=Cancel F19=Left F20=Right F24=More keys Overprinting not displayed.

11216

What is innodb buffer pool?

1049

What is mainframe cics?

1102

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