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>5.11. Other Database Objects</A
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>   Tables are the central objects in a relational database structure,
   because they hold your data.  But they are not the only objects
   that exist in a database.  Many other kinds of objects can be
   created to make the use and management of the data more efficient
   or convenient.  They are not discussed in this chapter, but we give
   you a list here so that you are aware of what is possible:
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>     Views
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>     Functions and operators
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>     Data types and domains
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>     Triggers and rewrite rules
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>   Detailed information on
   these topics appears in <A
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>Part V</A
>.
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