MySQL UDFs using libmysql.dll functions: most functions from MySQL API all are prefixed with an underscore: _MySql... e.g.: _MySQL_Real_Query( sometimes parameters are chaged - read function descriptions in include file MySQL.au3 If you do not need the power of these UDFs and you simple want to use basic SQL commands, then have a look at not included: MySQL_Connect - This function is deprecated. Use _MySQL_Real_Connect instead. MySQL_Create_DB - This function is deprecated. Use mysql_query(