ConstIf a database system has multiple namespace components, they SHOULD be concatenated from the most general to the most specific namespace component, using | as a separator between the components. Any missing components (and their associated separators) SHOULD be omitted.
Semantic conventions for individual database systems SHOULD document what db.namespace means in the context of that system.
It is RECOMMENDED to capture the value as provided by the application without attempting to do any case normalization.
The name of the database, fully qualified within the server address and port.