doc.Products.jdbc-postgres-mt The Multi-Tier JDBC driver for PostgreSQL consists of a set of generic JDBC client classes and the PostgreSQL Database agent on the server the built in database independent network layer for communication between the client and server.The OpenLink Multi-Tier Drivers for PostgreSQL are a Type B class driver developed using the PostgreSQL network (wire) protocol interface.These drivers are currently available for PostgreSQL versions 6.x, 7.x and beyond. [[/images/aodbcst.gif|]] /PostgreSQL Multi-Tier JDBC Driver Architecture Diagram Image scaled down; Click to enlarge./ This driver is available for Windows, Linux, Unix(most flavours), Mac Classic, Mac OS X or any Java enabled Operating systems.