
© Copyright IBM Corp. 2012. All rights reserved. 65
Chapter 5. Row and column access
control
In this chapter, we describe the row and column access control (RCAC)
capability of DB2 10. RCAC provides a mechanism to control data at a granular
level within a table that is not possible by using standard relational database
privileges. With RCAC, an organization can restrict individuals from accessing
data that is not required for their job. This type of partial table data access is
achieved through the row permissions portion of RCAC. In addition, specific
column data can be masked with nulls (null characters), a user-defined mask, or
a partial column ...