ALTER TABLE xxx MODIFY
PARTITION BY RANGE (employee_id) INTERVAL (100)
( PARTITION P1 VALUES LESS THAN (100),
PARTITION P2 VALUES LESS THAN (500)
) ONLINE
UPDATE INDEXES
( IDX1_SALARY LOCAL,
IDX2_EMP_ID GLOBAL PARTITION BY RANGE (employee_id)
( PARTITION IP1 VALUES LESS THAN (MAXVALUE))
);