What security benefits are provided by using stored procedures to access data?

Question

I have seen some guidance which recommends that you secure a database by layering all data access through stored procedures.

I know that for SQL Server, you can secure t

Answer 1

Simply put, it lets you define security functionally rather than structurally. In other words, it restricts what a user is allowed to do (with a greater degree of granularity) rather than what database objects are accessible (at very coarse granularity.)

Note that we're speaking of "security controlled by the DBA", rather than by the site or system administrator or software module, all of which are useful and part of the overall security infrastructure.