PostgreSQL

The most advanced, feature-rich SQL database server available, the open-source PostgreSQL system has rapidly become a key Internet technology. PostgreSQL: Introduction and Concepts, written by a founding member of the PostgreSQL Global Development Team, provides a much-needed tutorial and real-world guide to understanding and working with this complex yet essential system. Assuming no previous knowledge of database systems, the book establishes a firm foundation of basic concepts and commands before turning to PostgreSQLs more advanced and innovative capabilities. It leads you step-by-step from your first database query through the complex queries needed to solve real-world database problems. The author not only presents proper query syntax, he goes beyond the mechanics to explore the value and use of these commands in working database applications. You will read about such important topics as: *Basic SQL commands for manipulating and updating a database *Customizing queries *SQL aggregates *Joining tables *Combining SELECTs and subqueries *Transactions *Performance *Importing and exporting data *Database query tools, including PSQL and PGACCESS *PostgreSQL interfaces to C, C++, OD