We’ve covered several programming languages now, but we haven’t really gotten into database development yet. Although NoSQL is hot, SQL (structured query language) isn’t going away. Different databases (such as Oracle, MySQL and PostgreSQL) use different variations, but the idea is to have a unified system so that a developer can move from database to database with a minimum of relearning.
If you’re not quite sure yet what a relational database is or why someone would use one, check out our guide to database terminology. Otherwise, let’s dive into some books for beginners, and one for experienced database developers.
Article source: RRW http://feedproxy.google.com/~r/readwriteweb/~3/xzXiwdWruMQ/free-e-books-on-sql.php