Recompile package body after recompiling package requirement

Question

In which circumstance should you recompile the package body after recompiling the package requirement?

Answer 1

Recompile the package body after recompiling the package requirement:

1. Changing the argument list of one of the constructs package

2. Any modification made to one of the package constructs

3. Any of SQL statement modification made to one of the package constructs

4. Eliminating a local variable by the DECLARE section of one of the package constructs.