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MainFrame Interview Questions
Questions Answers Views Company eMail

which SQL comment successfully removes uncommitted changes from a DB2 database A) rollback B) delete C) drop D) decommit

Accenture, Wipro,

2 12835

how do we do unit testing in mainfrmae. explain step-wise.

IBM, JBK,

2 16753

Can we use redefine clause in occurs clause?

10 24815

What is the difference between write & move in COBOL?

CSC, HHB,

3 14907

What is the meaning of 'TALLING' verb in cobol?

5 16611

What is the meaning of 'Eject' verb in cobol?

TCS, Wipro,

2 28872

How can we pass data from cobol to JCl?

ADP, Amdocs, IBM,

7 48735

How include time & date in the report generation in cobol programing?

2 11441

How does IDMS communicate with CICS?

Covansys, Satyam,

1 5877

What are the pertinent COBOL commands?

Satyam,

3177

What is the difference between a binary search and a sequential search?

10 47052

How can you pass values from COBOL program to non-COBOL programs?

2 7744

How does IDMS insure data integrity?

1 5165

What are the functions like c or c++ in cobol?

2 7139

What is difference between comp & comp-4?

6 22386


Un-Answered Questions { MainFrame }

What is the use of the eibaid field?

1146


what is program status data structure?

2416


Explain the process in which flat files are converted into vsam files?

1010


Our issue is there seems to be a disconnect, or no link, between our SELECT statement and our SD. We had SELECT SORT-FILE and SELECT SORT-FILE ASSIGN TO SORTWRK. ASSIGN TO SORTWRK1 SORTWRK2 SORTWRK3 SORTWRK4. with SD SORT_FILE RECORD CONTAINS 7833 CHARACTERS. In either case, at run time, the system ignored our SORTWRK# DD statements and allocated 16 sort works with the SORTWK## naming convention. Any ideas why the system does not recognize the connection? We do not even need the SORTWRK DD statements. Thanks

2965


what is a keyed physical file?

1835


WHAT is STORED PROCEDURE CONCEPT IN AS400 WITH EXAMPLE?

2526


Explain the mdt in cics?

1164


What is defragmentation and what is its advantage?

1294


What is the default page size of buffer pools?

1122


What are the rules for db2 programming?

1089


Explain how do you access storage outside your cics program?

969


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.

11228


Explain about maximum displacement?

1059


What is ment by record level identifier?

1143


What is jcl in mainframe?

1201