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| Flat File in AS400 |
Introduction
A flat file is a physical file without DDS (Data Description Specification) and having a record length.
Create command
The CRTPF command is used to create a Flat File object since this file does not have any field definitions i.e. DDS so record length is used instead.
CRTPF FILE(EASYCLASS1/FLATFILE1) RCDLEN(100) |
| CREATE FLAT FILE IN AS400 USING CRTPF COMMAND |
DSPFFD on Flat File
Flat file name, a Record format name, field name are all same in the flat file. The record length provided at the time of creating flat file becomes its field length
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| DSPFFD EASYCLASS1/FLATFILE1 |
STRSQL
Flat file field list from STRSQL session.
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| STRSQL |
Operations on Flat File
Just for your information We can perform the I/O operations such as Write, Read, Chain-Delete, Chain-Update on the flat files, and the flat file are defined as the program described files in RPG programs.
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