In earlier versions of Oracle, when one want to convert a table to partition, one must use move or export/import method and rename it.
Now in 12.2 release we can use ALTER table command to convert the table into Partitioned Table. Here is sample command it is from the documentation excerpt,
ALTER TABLE test_table MODIFY
PARTITION BY RANGE (amount) INTERVAL (100)
(PARTITION P1 VALUES LESS THAN (500), PARTITION P2 VALUES LESS THAN (1000),
ONLINE
UPDATE INDEXES (IDX01_AMOUNT LOCAL (PARTITION IDX_P1 VALUES LESS THAN (MAXVALUE)));
-Geek DBA
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