Method and apparatus for performing dynamic histogram compression
A system that provides compressed histogram data comprises a compiler histogram interface that obtains histogram data about a table in a database, and a dynamic histogram compressor that receives output from the compiler histogram interface, input regarding a database query and table information to...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A system that provides compressed histogram data comprises a compiler histogram interface that obtains histogram data about a table in a database, and a dynamic histogram compressor that receives output from the compiler histogram interface, input regarding a database query and table information to produce compressed histogram data for use by an optimizer. |
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