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IBM DB2 12 for z/OS Technical Overview by Acacio Ricardo Gomes Pessoa, Tammie Dang, Meg Bernal

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Scalability
The scalability enhancements for DB2 12 are described in the following topics:
3.1 Range-partitioned table spaces changes
Before DB2 12, the maximum number of partitions for a partitioned table was limited to 4,096 and the maximum partition size was also limited to 256 GB, so the partitioned table could only have up to 64 partitions if the page size is 4K. The maximum number ...

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