O'Connell (2005, 5.10) defines this as " [t] "he percentage (or fraction, whichever you choose) of records in one file that will be joined with records of another file". This can be calculated when two
References
O'Connell, S. (2005) "Advanced Databases Course Notes", Southampton, University of Southampton.
Wikimedia Foundation. 2010.
The X Factor (UK series 8) — The X Factor Series 8 Broadcast from 20 August 2011–present Judges Louis Walsh … Wikipedia
The X Factor (Australia season 3) — The X Factor Season 3 Broadcast from 29 August 2011–22 November 2011 Judges Guy Sebastian Ronan Keating Natalie Bassingthwaighte Mel B Host(s) Luke Jacobz … Wikipedia
NCAA basketball tournament selection process — The selection process for College basketball s NCAA Men s Division I Basketball Championship determines which 68 teams will enter the tournament, known as March Madness, and where they will be seeded and placed in the bracket. Thirty teams have… … Wikipedia
Query optimizer — The query optimizer is the component of a database management system that attempts to determine the most efficient way to execute a query. The optimizer considers the possible query plans for a given input query, and attempts to determine which… … Wikipedia
Defenders (comics) — Defenders The Defenders. Publication information Publisher Marvel Comics … Wikipedia
Culture series — Selection of novels from the Culture cycle The Culture series or Culture cycle refers to a series of novels and short fiction written by Scottish author Iain Banks. The stories center around the Culture, a post scarcity semi anarchist utopia… … Wikipedia
china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material … Universalium
China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast … Universalium
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… … Universalium
