More equal
Applies to DBAs too, but one-to-many is traditional
Users, roles, GRANT, REVOKE, and SELECT
Schemas and function overloading
Views
Trust granting by the DBA
Some users can be more trusted, even if they know less
Some cannot be trusted, no matter how much they know
Many other factors: politics, security, authority, lack of knowledge
When in doubt, restrict. Make them ask - it is "your" data
Blurring of roles
