ZEOSDBO-6.6.6-stable and mysql-essential-5.1.45-win32 lazarus / 5-Lazarus Extra Components ---------------------------------------------------------------------- ceglar · 2010-04-17 05:38 Hi All The script is: ZConnection1.Connect; Error Message: None of the dynamic libraries can be found: libmysql51.dll,libmysql50.dll,libmysqld.dll 1) Where can I find these DLL ? 2) Which folder should be copied? 3) Or the problem is different from the points 1 and 2 Regards Ceglar ---------------------------------------------------------------------- motaz · 2010-04-17 05:43 If you are using Linux, you should install libmysqlclient15 and libmysqlclient16 packages ---------------------------------------------------------------------- ceglar · 2010-04-17 05:50 Sorry, I forgot to write it, the database is locally installed Windows XP 32 ---------------------------------------------------------------------- motaz · 2010-04-17 06:00 Sorry, I didn't noticed Win32 in the  title of question. You need libmysql.dll file, and you can get it from many places in net, for example: http://www.dll-files.com/dllindex/dll- files.shtml?libmysql you need to put it in your project directory, or windows library directory ---------------------------------------------------------------------- ceglar · 2010-04-17 06:01 Thank Ceglar