... classes, 492 connecting to PostgreSQL, 14core API, 491 data access with PostgreSQL, 15extension API, 491 installing PostgreSQL JDBC driver, 493 JDBC clients using statements, 498 JDBC result sets, ... connections, 498 –502mapping Java data types to PostgreSQL, 505using PostgreSQL JDBC driver, 491 – 498 Driver interface, 496 DriverManager class, 493 java .sql. CallableStatement interface, 507java .sql. Connection ... 196 ■JJavaaccessing PostgreSQL from, 491 –516java class, PostgreSQLMetaData, 500Java Database Connectivity (JDBC)accessing PostgreSQL from Java, 491 –516API described, 491 implementation classes, 492 connecting...