December 2010
Intermediate to advanced
451 pages
11h 16m
English
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4-16. Forcing Data Access to Go Through Packages
Problem
You have defined all subprograms and packages for a particular application, and you want to allow other users to access these constructs and execute the program but not have access to any data tables directly.
Solution
Define all the packages, procedures, and functions for your program within a single schema that has access to all the data. All user access should be made from separate schemas, and they should be granted execute privileges on the PL/SQL objects but not access to the tables themselves.
For instance, if you want to control access to a package named PROCESS_EMPLOYEE_TIME, that package along with all required tables, types, and sequences should be loaded into an application ...
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