An in-depth book on how to improve database performance. The focus is on relational databases and it covers all major SQL databases without getting lost in the details of any one specific product.
Starting with the basics of indexing and the WHERE clause, SQL Performance Explained guides developers through all parts of an SQL statement and explains the pitfalls of object-relational mapping (ORM) tools like Hibernate.
An excellent book for intermediate to advanced PostgreSQL database administrators (DBA). Teaches everything about building, monitoring and maintaining a PostgreSQL installation while also providing useful and interesting information about database internals. If you truly want to understand how PostgreSQL operates and behaves under a high load this is a book for you.
Advanced techniques for everything from designing schemas, indexes, and queries to tuning your MySQL server, operating system, and hardware to their fullest potential. This guide also teaches you safe and practical ways to scale applications through replication, load balancing, high availability, and failover.