To update a VSAM file, use these PROCEDURE DIVISION statements.
| Access method | ESDS | KSDS | RRDS |
|---|---|---|---|
| ACCESS IS SEQUENTIAL | OPEN EXTEND |
OPEN EXTEND |
OPEN EXTEND |
| ACCESS IS RANDOM | Not applicable | OPEN I-O |
OPEN I-O |
| ACCESS IS DYNAMIC (sequential processing) | Not applicable | OPEN I-O |
OPEN I-O |
| ACCESS IS DYNAMIC (random processing) | Not applicable | OPEN I-O |
OPEN I-O |
related references
Statements to load records into a VSAM file