DELETE statement
Remarks#
The DELETE
statement deletes records from mass storage. Some compilers allow the DELETE
statement to be used with a FILE
clause, to delete FD
names (along with any associated indexing structures that may be required by the database management engine in use).
Delete a record, key in primary key field
identification division.
program-id. deleting.
environment division.
configuration section.
input-output section.
file-control.
select optional indexed-file
assign to "indexed-file.dat"
status is indexing-status
organization is indexed
access mode is dynamic
record key is keyfield
alternate record key is altkey with duplicates
.
...
procedure division.
move "abcdef" to keyfield
*> Delete a record by index
delete indexed-file record
invalid key
display "No delete of " keyfield end-display
not invalid key
display "Record " keyfield " removed" end-display
end-delete
perform check-delete-status
...