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Sams Teach Yourself MySQL in 21 Days, Second Edition
book

Sams Teach Yourself MySQL in 21 Days, Second Edition

by Tony Butcher
December 2002
Beginner content levelBeginner
640 pages
16h 41m
English
Sams
Content preview from Sams Teach Yourself MySQL in 21 Days, Second Edition

Running Queries That Return a Resultset

When a program has a live connection to a MySQL database, two functions are available for running a query: mysql_query() and mysql_real_query().

You can use these functions to run any kind of query: those that return a resultset (such as the SQL statements SELECT, DESCRIBE, and SHOW) and those that don't (such as INSERT, UPDATE, and DELETE). Initially we'll concentrate on queries that return a resultset, so you'll see how to run the query and process the data that is returned.

mysql_query() expects a string terminated by a null, whereas mysql_real_query() takes a counted string. For our simple examples, you can use mysql_query(); however, if you need to create a query that contains binary data (which may ...

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Publisher Resources

ISBN: 0672323923Purchase book