Summary

As you can see, MDC tables provide a unique and powerful solution for large database performance and high availability. MDC benefits include the following:

  • Extending the performance advantages of clustering to multiple dimensions.

  • Automatic and dynamic maintenance of clustering over time.

  • The need for reorganizations are reduced to space reclamation only.

  • Data organization provides benefits of partition elimination.

  • Block-based indexes provide additional high-performance access plans and block elimination in queries.

  • Block index size results in faster scans and reduced overhead for logging and maintenance.

  • A simple, flexible syntax makes it easy to set up and maintain.

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