January 2014
Intermediate to advanced
317 pages
7h 31m
English
Content preview from Programming Languages for MIS
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9
SQL
9.1 Introduction to SQL
SQL (structured query language) is a universal language for creating, updating, and
querying databases. As SQL is a small language, the SQL program is often called
SQL script. SQL can be used for all database management systems (DBMSs) (DB2,
Oracle, MySQL, etc.) as well as all computer language platforms (PHP, .NET, etc.).
SQL was developed under the name SEQUEL by IBM in the mid-1970s. at is why
people pronounce SQL as “sequel” more often than as “ess- que- ell.” SQL has been
standardized by ANSI (American National Standard Institute).
A particular database management system can have its query development environ-
ment, the so- called QBE (query by examples), to create queries without using SQL.
In the quer ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.