create table test_partition (a number(2))
partition by range(a)
(partition p01 values less than (10) ,
partition p02 values less than (20) ,
partition p03 values less than (99) );
ALTER TABLE test_partition
ADD PARTITION p04 VALUES LESS THAN (MAXVALUE) ;
ALTER TABLE test_partition
MERGE PARTITIONS p03, p04 INTO PARTITION p04 ;
alter table test_partition rename partition p04 to p03;
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