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→Links
: Compare Data types [http://www.linuxnetworks.de/doc/index.php/OpenDBX/DBMS_Datatypes]
: Compare MySQL, Oracle, PostgreSQL [http://www-css.fnal.gov/dsg/external/freeware/mysql-vs-pgsql.html
: Compare data types & Functions [http://en.wikibooks.org/wiki/Converting_MySQL_to_PostgreSQL]