SUBFILES IN RPGLE PDF

Twenty years ago these are the kind of things you had to know to work on the old AS systems. I found these on an old dusty corner of my homeserver. Subfile is a group of records of same record format and can be read from or write to the display in a single operation. What are the two record formats that a subfile contains? What is the maximum number of subfiles that can specified in a display file?

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Post a comment. List Of Best WebSites. Monday, 14 January what is subfiles in rpgle. According to IBM , a subfile is a group of records that have the same record format and are read from and written to a display station in one operation. As the term suggests, a subfile is not a file; rather, it is a temporary place to store data of the same format to be used by a display file program. Why Use Subfiles? A subfile is a display file where you can place a listing of values and process changes on the list.

The list of members that you can see in the PDM is an example of a subfile. See Figure A subfile is a group of records that is read from or written to a display-device file. As the term suggests, a subfile is not a file; rather, it is a temporary place to store data of the same format to be used by a display file program.. Labels: as subfiles , basics of subfile programming , introduction to subfiles in ilerpg , rpg iv subfiles , rpg subfiles , subfile. No comments:. Newer Post Older Post Home.

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Using Subfiles

Post a comment. List Of Best WebSites. Monday, 14 January what is subfiles in rpgle. According to IBM , a subfile is a group of records that have the same record format and are read from and written to a display station in one operation.

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Interview Question and Answer – AS400 Subfiles

Subfiles can be specified in the DDS for a display-device file to allow you to handle multiple records of the same type on the display. See Figure 1. A subfile is a group of records that is read from or written to a display-device file. For example, a program reads records from a database file and creates a subfile of output records. When the entire subfile has been written, the program sends the entire subfile to the display device in one write operation. The work-station user can change data or enter additional data in the subfile. The program then reads the entire subfile from the display device into the program and processes each record in the subfile individually.

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