Chapter 27. External Procedures
As powerful as PL/SQL is, there are simply some things it cannot do because it’s locked inside the database. For example, there are many occasions where you might want to send an email (in an alert, for instance), perform some really complex mathematical functions (for example, an encryption system), or even just invoke a C library function. Fortunately, Oracle8 has a way to supplement the base PL/SQL language by allowing you to make calls to external libraries written in other languages, such as C. This chapter tests your understanding of this very advanced topic.
Beginner
27-1. | What is an external procedure in Oracle? |
27-2. | Where can an external procedure be called in PL/SQL? |
27-3. | True or false?
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