AUTOMATIC DERIVATION OF SHARD KEY VALUES AND TRANSPARENT MULTI-SHARD TRANSACTION AND QUERY SUPPORT

AUTOMATIC DERIVATION OF SHARD KEY VALUES AND TRANSPARENT MULTI-SHARD TRANSACTION AND QUERY SUPPORT

Techniques are provided for processing a database command in a sharded database. The processing of the database command may include generating or otherwise accessing a shard key expression, and evaluating the shard key expression to identify one or more target shards that contain data used to execut...

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Bibliographische Detailangaben
Hauptverfasser: Surber, Douglas N, de Lavarene, Jean, Garish, Ilesh, Novak, Leonid, Hu, Wei Ming, Verma, Saurabh, Wong, Lik, Dilman, Mark
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Techniques are provided for processing a database command in a sharded database. The processing of the database command may include generating or otherwise accessing a shard key expression, and evaluating the shard key expression to identify one or more target shards that contain data used to execute the database command.