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→PostgreSQL Specifications
* Installation: [http://www.postgresql.org/download/]
* Tutorial @ [http://www.postgresql.org/docs/9.0/static/index.html PostgreSQl Documentation]
* Connection Pools And DataSources @ [http://www.postgresql.org/docs/7.3/static/jdbc-datasource.html PostgreSQL Documentation]:some data type setups for postgreSQL driver @ [http://jdbc.postgresql.org/documentation/80/connect.html jdbc.postgresql.org ]
* Functions & Operators
: String literals and string functions in postgreSQL @ [http://www.postgresql.org/docs/current/static/functions-string.html PostgreSQl Documentation]
: Character set support -
::The character set support in PostgreSQL allows you to store text in a variety of character sets (also called encodings), including single-byte character sets such as the ISO 8859 series and multiple-byte character sets such as EUC (Extended Unix Code), UTF-8, and Mule internal code. All supported character sets can be used transparently by clients, but a few are not supported for use within the server (that is, as a server-side encoding). The default character set is selected while initializing your PostgreSQL database cluster using initdb. It can be overridden when you create a database, so you can have multiple databases each with a different character set. An important restriction, however, is that each database's character set must be compatible with the database's LC_CTYPE (character classification) and LC_COLLATE (string sort order) locale settings. For C or POSIX locale, any character set is allowed, but for other locales there is only one character set that will work correctly. (On Windows, however, UTF-8 encoding can be used with any locale.) Note! Not all client APIs support all the listed character sets. For example, the PostgreSQL JDBC driver does not support MULE_INTERNAL, LATIN6, LATIN8, and LATIN10. [http://www.postgresql.org/docs/current/static/multibyte.html]
==MySQL Specifications==