Recently installed a software, because the first installation produced an error, so I tried to reinstall after the installation ~ However, during the installation process a problem occurred.
Newlre ODBC data source already exists. Please either choose another database name or drop the database
Two issues: The database already exists, and the ODBC data source also exists
Delete the database directly, here the main record ODBC delete.
Originally thought to be in the ODBC visual interface can be deleted manually, but later found there is no corresponding data source.
After finding some data to find, it is necessary to delete the corresponding registration entries in the registry.
But there are different designs for a 32-bit Windows system and 64-bit Windows systems, most of them are 32-bit, but there is a difference.
https://support.microsoft.com/zh-cn/kb/305097
About the complete removal of ODBC issues