Database servers usually contain critical data, and ensuring the safety and integrity of that data requires that access control be used. In this lesson, you learn about SQL Server access control and user management.
The basis of security for your SQL Server is this: Users should have appropriate access to the data they need, no more and no less. In other words, users should not have too much access to too much data.
Consider the following:
Most users need to read and write data from tables, but few users will ever need to be able to create and drop tables.
Some users might need to read ...