engleski

Delta Replication

Web sites with high number of visits may publish information from many heterogeneous, source databases. Delta Replication transfers data from local databases to the central one, providing data-value transformation. Valid Delta Replication is determined by Compatibility of the source and destination relational schemas. Transformation of the source relation is based on transformed attributes domains, achieved during replication setup process.

Attributes compatibility; data transformation; delta replication; relational schema compatibility; replication; web advertising

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