you use function ptr when you want to call multiple functions using the ptr in a loop.
like have an array of funtion ptrs, loop through the array and execute the functions.

It execute the test created in the planning test phase, and analyze the test results

It enables us to create a database of tests,execute tests, report and track defects detected in the software.

An authorization rule that determines who is permitted to execute one or more enterprise bean methods.

A database trigger is a PL/SQL block that can defined to automatically execute for insert, update, and delete statements against a table. The trigger can e defined to execute once for the entire statement or once for every row that is inserted, updated, or deleted. For any one table, there are twelve events for which you can define database triggers. A database trigger can call database procedures that are also written in PL/SQL.