Schema typically has no parent entity, but can have a parent
entity DatabaseInstance (for database engines which support it).
For some database engines, the terms schema and user can be
used interchangeably when they refer to a namespace or a
collection of other database entities. Can store additional
information which is schema specific.
Attribute
Name
Description
custom_features
google.protobuf.struct_pb2.Struct
Custom engine specific features.
