*&---------------------------------------------------------------------*
*& Brefat | Internal Tables - Educational Example
*& Requirements: modern ABAP 7.40+ (tested conceptually; verify locally)
*& No database tables, custom objects, or external dependencies.
*&---------------------------------------------------------------------*
REPORT zbrefat_internal_tables_demo.

TYPES: BEGIN OF ty_learner,
         id   TYPE i,
         name TYPE string,
       END OF ty_learner.

TYPES tt_learners TYPE STANDARD TABLE OF ty_learner WITH EMPTY KEY.

DATA(lt_learners) = VALUE tt_learners(
  ( id = 1 name = 'Omar' )
  ( id = 2 name = 'Sara' )
  ( id = 3 name = 'Ali'  )
).

WRITE: / '--- Learners ---'.
LOOP AT lt_learners INTO DATA(ls_learner).
  WRITE: / ls_learner-id, ls_learner-name.
ENDLOOP.

READ TABLE lt_learners INTO DATA(ls_found) WITH KEY id = 2.
IF sy-subrc = 0.
  WRITE: / 'Found:', ls_found-name.
ELSE.
  WRITE: / 'No matching learner'.
ENDIF.

* Note: For frequent key-based reads, choose an appropriate
* sorted or hashed table and key definition.