2
votes
3answers
195 views

Tracking correct order details in commerce database when modifying 'products'

I am implementing an ecommerce database. This is slightly different than most as the 'products' that are for sale are for services provided. For example a user (vendor) of the system may define a ...
8
votes
4answers
2k views

Are database schema migrations a problem in production environments?

In discussions about NoSQL vs SQL databases, I sometimes hear that companies prefer to use schemaless NoSQL databases because it is problematic to migrate the schema to a new version. But is that ...