Query rewriting
id:
query-rewriting-298-6164658
title:
Query rewriting
text:
Query rewriting is a typically automatic transformation that takes a set of database tables, views, and/or queries, usually indices, often gathered data and query statistics, and other metadata, and yields a set of different queries, which produce the same results but execute with better performance. Query rewriting can be based on relational algebra or an extension thereof. The equivalence rules of relational algebra are exploited, in other words, different query structures and orderings can be
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Query_rewriting
date created:
date modified:
2022-11-10T21:40:52Z
main entity:
{"identifier":"Q17492388","url":"https://www.wikidata.org/entity/Q17492388"}
image:
fields total:
13
integrity:
13