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PostgreSQL 9 Administration Cookbook by Hannu Krosing, Simon Riggs

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Adding an external module to PostgreSQL

Another one of PostgreSQL's strengths is its extensibility. Extensibility was one of the original design goals, stretching back to the late 1980s. Now, in PostgreSQL 9.0, there are many additional modules that plug into the core PostgreSQL server.

There are many kinds of additional module offerings, such as the following:

  • additional functions
  • additional datatypes
  • additional operators
  • additional indexes

Note that many tools and client interfaces work with PostgreSQL without any special installation. Here, we are discussing modules that extend and alter the behavior of the server beyond its normal range of SQL standard syntax, functions, and behaviors.

Getting ready

First, you'll need to select an appropriate module ...

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