The cost-based optimizer can then use these to choose
an appropriate query plan.
330 | Chapter 14: Oracle Extended Datatypes
Add cartridge services
These are services used by Oracle database extensions (such as the spatial capabilities)
providing memory management, context management, parameter
management, string and number manipulation, file I/O, internationalization,
error reporting, and thread management. These services are available to software
developers to provide a means to create uniform integration of extensions
with the Oracle database.
With these features, the extensibility framework enables you or a third-party software
developer to integrate additional functionality into the main Oracle database
while still using the core features of the database, such as security management,
backup and recovery, and the SQL interface.
331
Chapter 15 CHAPTER 15
Beyond the Oracle Database15
As we have mentioned (just a few times before!), the Oracle database is a deep and
wide product, providing vast realms of capabilities.
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