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Working With Databases
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CodeIgniter comes with a full-featured and very fast abstracted database
class that supports both traditional structures and Query Builder
patterns. The database functions offer clear, simple syntax.

.. toctree::
    :titlesonly:

    Quick Start: Usage Examples <examples>
    Database Configuration <configuration>
    Connecting to a Database <connecting>
    Running Queries <queries>
    Generating Query Results <results>
    Query Helper Functions <helpers>
    Query Builder Class <query_builder>
    Transactions <transactions>
    Getting MetaData <metadata>
    Custom Function Calls <call_function>
    Database Events <events>
    Database Utilities <utilities>