(Day 59) Partition table conversion to hybrid partition table

Refer to the official documentation:

• Manage Partitions in Hybrid Partitioned Tables
• Managing Hybrid Partitioned Tables
• Hybrid Partitioning
• New in Oracle Database 19c: Hybrid Partitioned Tables
• Export table to .csv file

introduce

Oracle supports starting from 19C, integrating external partitions and internal partitions into one ࿰混合分区表