ROWID DECODING: AN ALTERNATIVE TO DICTIONARY DECODING

Techniques described herein propose a new RIDDecode operator in a QEP that uses ROWID lookup and fetch, instead of dictionary decoding, to retrieve decoded values, in order to reduce memory pressure and speed up processing.

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Bibliographische Detailangaben
Hauptverfasser: Schlegel, Benjamin, Brantner, Matthias, Fender, Pit
Format: Patent
Sprache:eng
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Zusammenfassung:Techniques described herein propose a new RIDDecode operator in a QEP that uses ROWID lookup and fetch, instead of dictionary decoding, to retrieve decoded values, in order to reduce memory pressure and speed up processing.