AUTOMATED PROPAGATION OF NON-CONFLICTING QUERIES IN DISTRIBUTED DATABASES
First Claim
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1. A method, comprising:
- receiving a logical table definition in association with a database query within a distributed database system;
determining whether the received logical table definition matches a local logical table definition;
processing the query in response to determining that the received logical table definition matches the local logical table definition; and
forwarding the query to at least one other distributed database node.
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Abstract
A logical table definition is received in association with a database query within a distributed database system. A determination is made as to whether the received logical table definition matches a local logical table definition. The query is processed in response to determining that the received logical table definition matches the local logical table definition. The query is forwarded to at least one other distributed database node. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
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Citations
20 Claims
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1. A method, comprising:
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receiving a logical table definition in association with a database query within a distributed database system; determining whether the received logical table definition matches a local logical table definition; processing the query in response to determining that the received logical table definition matches the local logical table definition; and forwarding the query to at least one other distributed database node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system, comprising:
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a memory adapted to store information associated with propagation of non-conflicting queries in distributed databases; and a processor programmed to; receive a logical table definition in association with a database query within a distributed database system; store the received logical table definition to the memory; determine whether the received logical table definition matches a local logical table definition; process the query in response to determining that the received logical table definition matches the local logical table definition; and forward the query to at least one other distributed database node. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A system, comprising:
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a memory adapted to store information associated with propagation of non-conflicting queries in distributed databases; and a processor programmed to; receive a logical table definition in association with a database query within a distributed database system; store the received logical table definition to the memory; compare at least one of a column name and a column data type of the received logical table definition with at least one of a column name and a column data type of a local logical table definition; determine whether the received logical table definition matches the local logical table definition; and in response to determining that the received logical table definition matches the local logical table definition; identify a local physical table associated with the local logical table definition; retrieve at least one data element from a local physical table storage location associated with the local physical table based upon a determination of at least one of a column name match and a column data type match between the received logical table definition and the local logical table definition; and respond to the query with the retrieved at least one data element; and forward the query to at least one other distributed database node.
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Specification