Transparency

• TPC-C requires that all data partitioning be fully transparent to the application code. (See TPC-C Clause 1.6)

  • Both horizontal and vertical partitioning is allowed
  • All partitioning must be hidden from the application
    • Most DBMS’s do this today for single-node horizontal partitioning.
    • Much harder: multiple-node transparency.
  • For example, in a two-node cluster:

Any DML operation must be

able to operate against the

entire database, regardless of

physical location.

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