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>
        Table MetaData <table_data>
        Field MetaData <fields>
        Custom Function Calls <call_function>
        Query Caching <caching>
        Database Manipulation with Database Forge <forge>
        Database Utilities Class <utilities>