Setting application context attributes

In this recipe, you'll create the PL/SQL package (for example, sh_ctx_pkg) that will set application context attributes for the application context you created in the previous recipe (for example, sh_client). Also, you'll create a logon trigger.

Getting ready

To complete this recipe, you'll need an existing user who can create sh_ctx_pkg. Make sure that the user has direct privileges on the sh.customers table (even if he/she has a DBA role) so that you don't receive this message in SQL*Plus: Warning: Package Body created with compilation errors. or error Table or view doesn't exist in SQL Developer (for more information, see Chapter 3, PL/SQL Security).

How to do it...

1. Connect to the database as a user who has appropriate privileges (for example, user maja):

   $ sqlplus maja
   

2. Create the PL/SQL package that will set the cust_id attribute with the value, which is equal to the value of the cust_id column when the following...