April 2007
Intermediate to advanced
1032 pages
19h 28m
English
book
SQL for MySQL Developers: A Comprehensive Tutorial and Reference
by Rick F. van der Lans, Diane Cools
Content preview from SQL for MySQL Developers: A Comprehensive Tutorial and Reference
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Chapter 24. Changing and Dropping Tables
24.1 Introduction
The UPDATE, INSERT, and DELETE statements are used to update the contents of a table. In MySQL, we can also change the structure of a table, even when that table contains millions of rows. We can add columns, change the data type of an existing column, add integrity constraints, and even delete entire tables. This chapter describes all the features for dropping tables (with the DROP TABLE statement), renaming them (with the RENAME statement), and changing them (with the ALTER TABLE statement).
Note
Most examples in this book assume that each table contains its original contents. If you ...
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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.