解决方式:
1. Open Services (services.msc) and restart MySQL57 service.
2. Execute the following commands in MySQL.
use <<database name>>;
set global optimizer_switch='derived_merge=OFF';
3. Update the .edmx.
解决方式:
1. Open Services (services.msc) and restart MySQL57 service.
2. Execute the following commands in MySQL.
use <<database name>>;
set global optimizer_switch='derived_merge=OFF';
3. Update the .edmx.