20 Use Variables in the Oracle BI Repository
This chapter describes how to use varin the Oracle BI repository to streamline administrative tasks and dynamically modify metadata content to adjust to a changing data environment.
You can use the Variable Manager in the Model Administration Tool to define two classes of variables: repository variables and session variables. Values in repository and session variables aren't secure, because object permissions don't apply to variables. Anybody who knows or can guess the name of the variable can use it in an expression in Answers or in a Logical SQL query. Because of this, don't put sensitive data like passwords in session or repository variables.
Initialization blocks are used to initialize dynamic repository variables, system session variables, and nonsystem session variables.
This chapter contains the following topics: