Getting started with cobol GnuCOBOL installation with GNU/Linux ACCEPT statement ADD statement ALLOCATE statement ALTER statement CANCEL statement CALL statement COMMIT statement COMPUTE statement CONTINUE statement COPY directive String DELETE statement DIVIDE statement DISPLAY statement EVALUATE statement EXIT statement GENERATE statement FREE statement GO TO statement GOBACK statement IF statement INITIALIZE statement INITIATE statement INSPECT statement MERGE statement MOVE statement MULTIPLY statement OPEN statement PERFORM statement READ statement RELEASE statement RETURN statement REPLACE directive REWRITE statement SET statement SEARCH statement SORT statement START statement SUBTRACT statement STOP statement TERMINATE statement STRING statement SUPPRESS statement UNLOCK statement Intrinsic Functions UNSTRING statement USE statement WRITE statement Data division How does the computational work in cobol?

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

   ...

Contributors

Topic Id: 7063

Example Ids: 23741

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