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MainFrame Interview Questions
Questions Answers Views Company eMail

How to delete generations of gdg without deleting gdg base?

3 17706

how 2 resolve the -311 sqlcode

1 19068

What is the use of base and index registers in the IBM 360/370 processor?

3812

in a indexed file what is procedure for read the records from 12 to 18. please give the code example

L&T,

2 7939

what are the utilities for load and unload the DB2 tables

L&T,

1 10086

IDENTIFICATION DIVISION. PROGRAM-ID. MOVEPGM. DATA DIVISION. WORKING-STORAGE SECTION. 01 WS-I PIC 9(2). PROCEDURE DIVISION. A1000-MAIN-PARA. PERFORM PARA-X WITH TEST BEFORE UNTIL WS-I= 5 STOP RUN. PARA-X. DISPLAY "BEST2". I m getting error s722,while executing the program, seems getting in loop, can anybody tell me why

3 6003

How to increase the logical record length of existing PS file?

7 34914

Can anybody give me example of subscript and index

5 9827

what will happen if pass values more than 100 using PARM parameter?

1 9456

write the logic for PAGEUP and PAGEDOWN by using psuedo conversatation technique?

Cap Gemini,

2 15108

While using SORT FILES =NONE,XSUM I am getting error "ICE172A E XSUM IS NOT SUPPORTED - USE ICETOOL SELECT IF APPROPRIATE"..I want to write duplicate records a a serparte file..how i can do tht?

Steria,

3 16422

how can i pull up a query which was previously stored in qmf

3 11537

seqence numbers in cobol

TCS,

3167

all i need to know about cmpseqdat parameter in cmppfm, how it works and can we retrieve line sequence and date from the output?

2932

How to define a array dynamically.....

Fidelity,

5 10390


Un-Answered Questions { MainFrame }

Explain about run unit currency?

961


Define where and its usage?

1068


Pose, there are 100 records in the file.i need to retrieve all the records matching/equal to the particular name field. How can we do the above using search criteria other than using the if cond?

1101


Can you summarize the steps I have to go through in writing my first cgi?

1167


What Are Send Map Maponly & Send Map Dataonly ?

1274


RETRIVING DELETED RECORDS :- I'm frequently asked how to retrieve deleted records from an unjournaled physical file when the deleted records have not yet been removed from the file. Utility UNDEL lets you undelete records in a physical file. This public domain program is available in CISC and RISC versions, and the complete source code is available for download at: UNDEL for AS/400 Save File (RISC): http://www.as400network.com/sharewarefiles/undelris.zip UNDEL for AS/400 Save File (CISC): http://www.as400network.com/sharewarefiles/undel.zip UNDEL for AS/400 Save File (Source code): http://www.as400network.com/sharewarefiles/undelsrc.zip The utility takes advantage of the fact that deleted records in physical files are only flagged as deleted, and the record data still exists until it is overwritten or the file is reorganized with a utility such as RGZPFM. UNDEL simply reads the deleted record, then reuses the record by writing over it with the new record (thus eliminating the flag for the deleted record). Some homegrown and commercial utilities copy the file containing undeleted records to a save file, then use a program to read the save file, which contains live and undeleted records, to a file to undelete the records. The UNDEL utility is superior to the SAVF technique because there's no need to copy the file to a save file, which is especially important for really large files. When run, UNDEL displays the physical file records in their unformatted, raw text form. You can either position the display to a given relative record number or use F19 or F20 to find the previous and next deleted record, respectively. The utility also includes online help, which is almost unheard of for free utilities. Other utilities include the ability to undelete records. You can use the RTVDLTRCD command in the old QUSRTOOL (no longer supported by IBM). QUSRTOOL is now a commercial product called TAA Productivity Tools ( http://www.taatool.com ). The free file editor WRKDBF has a built-in undelete capability ( http://www.wrkdbf.com ), and several commercial file editors can undelete records. For a complete list of file editors, go to http://www.sourcebook400.com, select "Programmer Tools" under "Product Category," then select "File Editors."

15600


Explain how can the attributes of one sms dataset be copied to another dataset?

1267


What is reorg and runstats in db2?

1263


What are the types of record locks and how are they set?

1669


How is the record format of an output dataset specified?

1208


what is the use of data structures?

1186


How do I optimize a query in db2?

1155


What is meant by bmp mode?

1153


What are the 2 types of parameters in dd statement?

1214


what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

1288