| 释义 |
SQL, n. Computing.
Brit. |ɛskjuːˈɛl|, |ˈsiːkw(ə)l|, U.S. |ˌɛsˌkjuˈɛl|, |ˈsikw(ə)l|
[c gray][Initialism > adj. Additions, sometimes reinterpreted as an acronym and pronounced /ˈsiːkw(ə)l[/c]/, apparently after sequel n. (see note).
The S of SQL has sometimes also been interpreted as the initial letter of Standard.The pronunciation |ˈsiːkw(ə)l| is commonly reported as having arisen later than the preferred |ɛskjuːˈɛl| and does not appear to be related to the earlier Sequel system (see below).]
A computer language designed for the retrieval and manipulation of information in databases (originally and chiefly relational databases).
Quot. 1975 refers to a short-lived, slightly earlier system, Structured English Query Language, on which SQL was based.
[1975M. M. Astrahan & D. D. Chamberlin in Communications ACM 18 580/1 SEQUEL is a relational data sublanguage intended for ad hoc interactive problem solving by non-computer specialists.] 1979M. M. Astrahan et al. in IBM Techn. Disclosure Bull. 22 1657 The System R optimizer chooses both join order and an access path for each table in a SQL (sequential query language)-type statement given to System R. 1988Computer Weekly 14 Apr. 34/1 Fundamental to the change has been the decision by IBM to opt for a single standard database query language, SQL, across its entire products range. 1992Computing 19 Nov. 30/1 This argument is based on the growing acceptance of SQL as the standard interface between applications and the database engine. 2000Wired Apr. 184/2 It sucks when I have to ditch out on her because my SQL server crashed or there's an emergency phone call with the board of directors. |