Answer / sulthan

OPNQRYF dynamically creates the records required according
to the parameterrs and this process could be slow. While
using logic files , we already have the a record fectching
path and it is faster. so if a program needs to be run
multiple times, use LF's and if once in a while, go for opnqryf.

Answer / kcsyam

Logical Files

1.What is the Maximum field length we can declare in RLU?? 2. What is the difference if your designing RLU using DDS and using the option 19 for the RLU??

2 Answers  

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3. Given the DOS Specification below and the following information: • Indicator 50 is off • No records have been written to the subfile What will be the result if the EXFMT operation code is performed on the record format CTLR? A R SUBFL A DESCRIP 101 6 1ODSPATR(UL) A DFT(’NOT FOUND’) A R CTLR SFLCTL(SUBFL) A N50 SFLDSP A SFLDSPCTL A SFLINZ A 67 SFIJEND A SFLSIZ(13) A SFLPAG(12) A ACCOUNTNO 100 S 10 a.) Only AccountNo will display b.) SUBFL will be initialized with 13 blank records c.) An I/O exception error will occur d.) The screen will display 12 records with ‘NOT FOUND’

4 Answers   IBM,

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Can AnyOne tell me how to read join logical file in rpg from starting to end?

2 Answers  

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A particular job executing on the iS is not behaving as expected and is operating in an environment in which it can be debugged. What commands would you use to debug and observe the program?

2 Answers   IBM,

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How do I read records from Subfile? what is the purpose of READC explain with example?

4 Answers   IBM,

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HOW TO DELETE THE RECORD FROM MASTER FILE WHICH IS LINK BY ANOTHER TRASATION FILE WITH REFERTIAL INTYGRITY?

1 Answers   TCS,

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two attributes which govern the excecution of a job>>>>??

2 Answers   CTS,

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How to select highest score of each subject or how to select highest income of every month?

0 Answers  

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How to find d key field of a pf that doesn’t have source physical file?

2 Answers  

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How to set on/off a group of indicators in a single statement?

3 Answers  

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The PGMA calls PGMB.PGMB generates a report.The report should contain the called program name(PGMA).How do i get the called program name in PGMB to print it on the spool file?(calling program name should NOT be hard coded or passed as parameter to called program?

6 Answers  

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can i use unique key in LF

3 Answers   TCS,

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