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Becker et al., 1992 - Google Patents

Rule-based optimization and query processing in an extensible geometric database system

Becker et al., 1992

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Document ID
828974727946289963
Author
Becker L
Güting R
Publication year
Publication venue
ACM Transactions on Database Systems (TODS)

External Links

Snippet

Gral is an extensible database system, based on the formal concept of a many-sorted relational algebra. Many-sorted algebra is used to define any application's query language, its query execution language, and its optimiztion rules. In this paper we describe Gral's …
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Classifications

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    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30386—Retrieval requests
    • G06F17/30424—Query processing
    • G06F17/30477—Query execution
    • G06F17/30507—Applying rules; deductive queries
    • G—PHYSICS
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    • G06F17/30451—Query rewriting and transformation of sub-queries or views
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