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Programming the Perl DBI
book

Programming the Perl DBI

by Tim Bunce, Alligator Descartes
February 2000
Intermediate to advanced content levelIntermediate to advanced
364 pages
11h 47m
English
O'Reilly Media, Inc.
Content preview from Programming the Perl DBI

SQL—A Query Language

Most DBI drivers require applications to use a dialect of SQL (Structured Query Language) to interact with the database engine. The following URLs provide useful information and further links about SQL:

http://www.altavista.com/query?q=sql+tutorial
http://www.jcc.com/sql_stnd.html
http://www.contrib.andrew.cmu.edu/~shadow/sql.html

The DBI itself does not mandate or require any particular language to be used; it is language-independent. In ODBC terms, the DBI is in “pass-thru” mode, although individual drivers might not be. The only requirement is that queries and other statements must be expressed as a single string of characters passed as the first argument to the prepare or do methods.

For an interesting diversion on the real history of RDBMS and SQL, from the people who made it happen, see:

http://ftp.digital.com/pub/DEC/SRC/technical-notes/SRC-1997-018-html/sqlr95.html

Follow the “And the rest” and “Intergalactic dataspeak” links for the SQL history.

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Publisher Resources

ISBN: 1565926994Supplemental ContentErrata Page