Aggregate predicates and search in a database management system

A technique for executing a statement in a computer to manipulate data in a data store connected to the computer. Initially, a statement having an aggregate predicate is received. Then, when evaluating the statement, the aggregate predicate is processed to rank data. Furthermore, evaluating includes...

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Bibliographische Detailangaben
Hauptverfasser: Chen, Weidong, Fuh, You-Chin, Jou, Michelle Meichiou, Natsev, Apostol Ivanov
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A technique for executing a statement in a computer to manipulate data in a data store connected to the computer. Initially, a statement having an aggregate predicate is received. Then, when evaluating the statement, the aggregate predicate is processed to rank data. Furthermore, evaluating includes performing an extended sort operator with early termination.