Can we found a record existance in a file w/o reading the file?
Answer Posted / ravikumar
1.With the help of CHAIN or READ opcodes we can find out record existence.
2.we can find out with the help of FILE INFORMATION DATA STRUCTURE..
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
what is file information data structure?
how do I declare a minor?
which program rpg or cl is efficent to update a transaction onto a database file and why ?
what is an online rpg?
what is data area and how it is used in rpg program ?
what is program status data structure?
When it is desirable to describe files Internally?
Q:HI friends accually ihave one problem plesase let me know the alternate code of this code. Related field description of code: Add a field, CALvsPRD, "Calendar Day Starts Before/After Production Day" to the parameter set WRKORDER which accepts values 'A' or 'B' o B = Calendar Day Starts Before Production Day o A = Calendar Day Starts After Production Day o Any other value indicates the production and calendar dates are always the same. code: Automatic Execution Of *INZSR Subroutine /Z01 * retrieves WRKORDER field values. /Z01 * Calculate default Production Date and return it to caller. /Z01 * Production date defaults to system date /Z01 C Eval P@Pdate = %DATE() /Z01 * unless Calendar date starts Before PDN(production) date and /Z01 * system time is before PDN Start Time then /Z01 * PDN date is yesterday. /Z01 C If W@CALvsPRD = 'B' and /Z01 C %TIME() < %TIME (W@Strtime) /Z01 C Eval P@Pdate -= %Day(1) /Z01 * unless Calendar date starts After PDN date and /Z01 * system time is *GE PDN(production) Start Time then /Z01 * PDN date is tomorrow. /Z01 C ElseIf W@CALvsPRD = 'A' and W@Strtime > *Zero and /Z01 C %TIME() >= %TIME (W@STrtime) /Z01 C Eval P@Pdate += %Day(1) /Z01 C EndIf /Z01 C Eval *InLr = *On
How can we know running job is batch or interactive?
explain sflclr, sflend, sfldlt, and sflcsrrrn?
what is kids-rpg?
How to create a login screen using a command instead of display file.... intention is to get a password field on a command..... how do you achieve this...
How many program bind in one module....
What is the purpose of record level identifier?
How to define data area in RPG program? In which scenario multi occurrence DS is use in AS400?