Miscellaneous Information about Creating Indexes on Partitioned Tables
You can create bitmap indexes on partitioned tables, with the restriction that the
bitmap indexes must be local to the partitioned table. They cannot be global indexes.
Global indexes can be unique. Local indexes can only be unique if the partitioning key
is a part of the index key.
可在分区表上创建位图索引，但必须是Local类型
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