What is a subfile in as400?

What is a subfile in as400?

A subfile is nothing but just displaying records in tabular format on a display device. · It can be an editable tabular format due to which it can be used in data entry screen, inquiry(static) screen or combination of both i.e. editing the information for a particular inquiry.

How do you create a subfile?

1. (1)STRSDA.
2. (2)Take option-1.
3. (3)Take option-1 to ADD a record.
4. (4) Select the record type SFL and enter the subfile record name.
5. (5)Press ENTER, it will ask for subfile control record format:
6. (6)Press ENTER.
7. (7) Press ENTER and select SFLNXTCHG as ‘Y’ if it is needed in the program along with the indicators.

How do I create a display file in as400?

Start the screen design aid by using STRSDA and select option-1. Option-1 selection results into the screen below. Press ENTER and select option-1 to add new record. Option-1 provides the screen to add a new record to the display file.

What is subfile?

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.

What is a subfile in RPG?

How do you debug a batch job?

Use the Command Entry display to enter any debug commands, such as the Add Breakpoint (ADDBKP) or Add Trace (ADDTRC) commands. Press F3 to leave the Command Entry display, and then press Enter to start the batch job. When the job stops at a breakpoint, you see the normal breakpoint display.

What is DDS in AS400?

Data description specifications (DDS) describe data attributes in file descriptions that are external to the application program that processes the data.

What is DFU in AS400?

Data file utility (DFU) data entry applications can be created and started with DDM to work with remote files in the same manner as with local files. DFU supports IBM i, System/38, and System/36 remote files.

What is Sflsiz in as400?

SFLSIZ value specifies the number of records that can be placed into the subfile buffer. If your program places a record with a relative record number larger than the SFLSIZ value into the subfile, the subfile is automatically extended to contain it (up to a maximum of 9999 records).

What is the difference between part of file and sub file?

1. One of a number of physical unit to which a file has been divided chronologically as it has increased in size. Also known as volume or partfile 2. Subfile – a separate file dealing with a discrete aspect of the subject of a more general file.

How do I read a subfile record?

To read a subfile randomly, you must specify, in the RELATIVE KEY data item, the relative record number of the subfile record you want to read and you must not specify the NEXT MODIFIED phrase in the Format 5 READ statement.

How do I terminate a service job in as400?

Press F12 to exit. Release the job so that it becomes STATUS(*ACTIVE). You’ll see a display asking if you want to debug or continue. Press F10 to debug.

Which is an example of a subfile in as / 400?

AS/400 Chapter 9: Subfiles. With subfiles you can create a display file with lists of items. Let’s see how that’s done. 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. In this chapter we’ll create a subfile which will

How many subfile can be loaded at a time?

Maximum of 9999 can be loaded in subfile buffer at a time. Trying to load more leads to session or device error. 1. Subfile control record format 2. Subfile record format 1. Clearing the subfile control record format. 2. Loading the subfile buffer with the relevant data. 3. Displaying the data from subfile buffer to the display device.

How many records can be defined in a subfile file?

· This keyword is used to define a subfile record. · The record format containing this keyword is immediately followed by the record format using SFLCTL keyword. · We can define at most 512 subfile records in a display file.

How are operation codes used in a subfile?

3. Displaying the data from subfile buffer to the display device. · CHAIN, READC, UPDATE, or WRITE operation codes can be used for subfile record format to transfer data between the program and the subfile. · READ, WRITE, or EXFMT operation codes cane be used for subfile control-record format to transfer data between the program.