Chris Date | |
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| Born | (1941-01-18)January 18, 1941 (age 84) |
| Nationality | British |
| Alma mater | University of Cambridge |
| Occupation(s) | author, lecturer, researcher, and consultant, specializing in relational database theory |
| Employer | (until 1983)IBM |
| Known for | Relational database theory |
Chris John Date (born 18 January 1941[1]) is an independent author, lecturer, researcher, and consultant, specializing inrelational database theory.
Chris Date attendedHigh Wycombe Royal Grammar School (U.K.) from 1951 to 1958 and received hisBA inMathematics fromCambridge University (U.K.) in 1962. He entered the computer business as a mathematical programmer atLeo Computers Ltd. (London), where he quickly moved into education and training. In 1966, he earned his master's degree at Cambridge, and, in 1967, he joinedIBM Hursley (UK) as acomputer programming instructor. Between 1969 and 1974, he was a principal instructor in IBM's European education program.
While working atIBM he was involved in technical planning and design for the IBM productsSQL/DS andDB2.He was also involved withEdgar F. Codd’srelational model for database management. He left IBM in 1983 and has written extensively of the relational model, in association withHugh Darwen.
As of 2007 his bookAn Introduction to Database Systems, currently in its 8th edition, has sold well over 700,000 copies[2] not counting translations, and is used by several hundred colleges and universities worldwide.
He is also the author of many other books ondata management, most notablyDatabases, Types, and the Relational Model, subtitled and commonly referred to asThe Third Manifesto, currently in its third edition (note that earlier editions were titled differently, but maintained the same subtitle), a proposal for the future direction ofDBMSs.
Chris Date is the author of several books, including:
In recent years he has published articles withFabian Pascal at Database Debunkings.
