Paradox

Paradox ^[1]是由Corel发布的关系数据库。

它最初由Ansa Software于1985年在MS-DOS上发布^[1]。1987年9月，Ansa Software以及Paradox被Borland收购並由Borland負責更新^[2]。1991年年中，Borland开始收购Ashton-Tate及其竞争对手的dBase产品线。^[3] Borland计划于1992年发布Paradox的Windows版本，但一直推迟到1993年1月才發佈，而那时微软的Microsoft Access已经上市^[4]。

Corel在1990年代中期获得了开发和销售Paradox的权利，并于1997年發佈了Corel Paradox 8^[5]。Paradox最后一次更新是在2009年。^[6]

参考文献

^ ^1.0 ^1.1 David E. Sanger. New ANSA program stirs high hopes. The New York Times. September 23, 1985 [July 14, 2019]. （原始内容存档于2021-09-24）.
^ Ansa is acquired. The New York Times. July 10, 1987 [2021-09-24]. （原始内容存档于2021-09-24）.
^ Lawrence M. Fisher. Making a Difference; From Bad Boy to Big Business. The New York Times. July 14, 1991 [July 14, 2019]. （原始内容存档于2021-09-24）.
^ Peter H. Lewis. The Executive Computer; Paradox for Windows: Worth the Wait?. The New York Times. January 31, 1993 [July 14, 2019]. （原始内容存档于2021-09-24）.
^ R. Sullivan. Corel Paradox 8 for Windows. DL.acm.org (ACM Digital Library). 1998. ISBN 978-0-538-68074-5.
^ WordPerfect Office – Patches and Updates. Knowledge Base. [2021-04-08]. （原始内容存档于2021-09-24）（美国英语）.

[Ansa695.NYT85-1] 1.0 ^1.1 David E. Sanger. New ANSA program stirs high hopes. The New York Times. September 23, 1985 [July 14, 2019]. （原始内容存档于2021-09-24）.

[AnsaSold.NYT87-2] Ansa is acquired. The New York Times. July 10, 1987 [2021-09-24]. （原始内容存档于2021-09-24）.

[3] Lawrence M. Fisher. Making a Difference; From Bad Boy to Big Business. The New York Times. July 14, 1991 [July 14, 2019]. （原始内容存档于2021-09-24）.

[ParaWait.NYT-4] Peter H. Lewis. The Executive Computer; Paradox for Windows: Worth the Wait?. The New York Times. January 31, 1993 [July 14, 2019]. （原始内容存档于2021-09-24）.

[5] R. Sullivan. Corel Paradox 8 for Windows. DL.acm.org (ACM Digital Library). 1998. ISBN 978-0-538-68074-5.

[6] WordPerfect Office – Patches and Updates. Knowledge Base. [2021-04-08]. （原始内容存档于2021-09-24）（美国英语）.

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