Answer Posted / kkr

*****Keep duplicate records and delete unique records.********
TYPES:BEGIN OF TY_IT,
FIELD1 TYPE C,
FIELD2 TYPE C,
END OF TY_IT.
DATA:IT TYPE STANDARD TABLE OF TY_IT.
DATA:IT1 TYPE STANDARD TABLE OF TY_IT.
DATA:WA like line of IT.
DATA:WA1 like line of IT.
DATA:COUNT TYPE I.

*WA-FIELD1 = 'A'.WA-FIELD2 = 'b'.APPEND WA TO IT.
*WA-FIELD1 = 'A'.WA-FIELD2 = 'b'.APPEND WA TO IT.
*WA-FIELD1 = 'C'.WA-FIELD2 = 'b'.APPEND WA TO IT.
*WA-FIELD1 = 'P'.WA-FIELD2 = 'x'.APPEND WA TO IT.
*WA-FIELD1 = 'D'.WA-FIELD2 = 'b'.APPEND WA TO IT."Delete
*WA-FIELD1 = 'C'.WA-FIELD2 = 'b'.APPEND WA TO IT.
*WA-FIELD1 = 'B'.WA-FIELD2 = 'b'.APPEND WA TO IT."Delete
*WA-FIELD1 = 'P'.WA-FIELD2 = 'x'.APPEND WA TO IT.

SORT IT ASCENDING.

APPEND LINES OF IT[] TO IT1[].

WRITE:/'Before deleting Unique records'.
WRITE:/'------------------------------'.

LOOP AT IT[] INTO WA.
WRITE:/ WA-FIELD1,WA-FIELD2.
ENDLOOP.

DELETE ADJACENT DUPLICATES FROM IT1[] COMPARING ALL FIELDS.

LOOP AT IT1[] INTO WA1.
CLEAR COUNT.
LOOP AT IT[] INTO WA WHERE FIELD1 EQ WA1-FIELD1 AND FIELD2 EQ WA1-FIELD2. "Fields to compare uniqueness
ADD 1 TO COUNT.
CHECK COUNT EQ 2.
EXIT.
ENDLOOP.
CHECK COUNT EQ 1.
DELETE IT[] WHERE FIELD1 EQ WA1-FIELD1 AND FIELD2 EQ WA-FIELD2.
ENDLOOP.

SKIP 1.
WRITE:/'After deleting Unique records'.
WRITE:/'------------------------------'.
delete adjacent duplicates from it[]. "<---Newly added

LOOP AT IT[] INTO WA.
WRITE:/ WA-FIELD1,WA-FIELD2.
ENDLOOP.

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