sqlite is a small,fast,embeddable database. What makes it popular is the combination of the database engine and interface into a single library as well as the ability to store all the data in a single file. Its functionality lies between MysqL and Postgresql,however it is faster than both databases.

In sqlite,author Chris Newman provides a thorough,practical guide to using,administering and programming this up-and-coming database. If you want to learn about sqlite or about its use in conjunction with PHP this is the book for you.