MyODBC 2.50

This ODBC Driver is provided by MySQL. The main functionality of the driver is contained in the file MYODBC.DLL.

Include "Driver={mySQL}" in the connection string to use this driver.


This is an archived version of the MyODBC. Consider switching to 3.51 or 5.1 versions of MyODBC (aka Connector/ODBC).

  If you encounter difficulties with MyODBC, you should start by making a log file from the ODBC manager (the log you get when requesting logs from ODBCADMIN) and a MyODBC log.

  To get a MyODBC log, you need to do the following:

  1.Ensure that you are using myodbcd.dll and not myodbc.dll. The easiest way to do this is to get myodbcd.dll from the MyODBC distribution and copy it over the myodbc.dll, which is probably in your C:\windows\system32 or C:\winnt\system32 directory. Note that you probably want to restore the old myodbc.dll file when you have finished testing, as this is a lot faster than myodbcd.dll.
  2.Tag the `Trace MyODBC' option flag in the MyODBC connect/configure screen The log will be written to file `C:\myodbc.log'. If the trace option is not remembered when you are going back to the above screen, it means that you are not using the myodbcd.dll driver (see above).
  3.Start your application and try to get it to fail.

  Check the MyODBC trace file, to find out what could be wrong. You should be able to find out the issued queries by searching after the string > mysql_real_query in the `myodbc.log' file.


This ODBC Driver, MyODBC 2.50, can be downloaded here.

Connection Strings

The MyODBC 2.50 driver can be used to connect to the following data sources by using the following connection string references: