hi:
i have a mysql master-master (active/passive) product environment,developer want to upgrade their app to new version,so lots of change need to be apply on database schema,and the database must keep online,how can i do the upgrade process? anyone can help? thanks.
i have a mysql master-master (active/passive) product environment,developer want to upgrade their app to new version,so lots of change need to be apply on database schema,and the database must keep online,how can i do the upgrade process? anyone can help? thanks.