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TIBCO ActiveSpaces® 4.8.0

# Copysets

A data grid partitions the complete set of data into copysets. Each copyset contains a portion of the full data set.

The data grid horizontally partitions each table, assigning each row to one specific copyset. This partitioning is transparent to application programs.

Programs explicitly interact with tables, but do not refer to copysets.

## Tables and Copysets

Tables and copysets are independent concepts.

Tables organize data in a way that makes sense to users of the data. Tables consist of rows, structured by columns.

Copysets store table rows, distributing them across a network in a way that facilitates fast access, fault tolerance, data replication, and flexibility.

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