PostgreSQL Database Management System=====================================  This directory contains the source code distribution of the PostgreSQLdatabase management system.PostgreSQL is an advanced object-relational database management systemthat supports an extended subset of the SQL standard, includingtransactions, foreign keys, subqueries, triggers, user-defined typesand functions.  This distribution also contains C language bindings.PostgreSQL has many language interfaces including some of the morecommon listed below:C++ -http://thaiopensource.org/development/libpqxx/JDBC -http://jdbc.postgresql.orgODBC -http://odbc.postgresql.orgPerl -http://search.cpan.org/~dbdpg/PHP -http://www.php.netPython -http://www.initd.org/Ruby -http://ruby.scripting.ca/postgres/Other language binding are available from a variety of contributingparties.PostgreSQL also has a great number of procedural languages available,a short but not complete list is below:PL/pgSQL - included in PostgreSQL source distributionPL/Perl - included in PostgreSQL source distributionPL/PHP -http://projects.commandprompt.com/projects/public/plphpPL/Python - included in PostgreSQL source distributionPL/Java -http://gborg.postgresql.org/project/pljava/projdisplay.phpPL/Tcl - included in PostgreSQL source distributionSee the file INSTALL for instructions on how to build and installPostgreSQL.  That file also lists supported operating systems andhardware platforms and contains information regarding any othersoftware packages that are required to build or run the PostgreSQLsystem.  Changes between all PostgreSQL releases are recorded in thefile HISTORY.  Copyright and license information can be found in thefile COPYRIGHT.  A comprehensive documentation set is included in thisdistribution; it can be read as described in the installationinstructions.The latest version of this software may be obtained athttp://www.postgresql.org/download/.  For more information look at ourweb site located athttp://www.postgresql.org/.