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<chapter id="plpython">

<title>PL/Python - Python Procedural Language</title>

<para>

If you do not provide a return value, Python returns the default

<symbol>None</symbol>. <application>PL/Python</application> translates

Python's <symbol>None</symbol> into the SQL null

value.<indexterm><primary>null value</><secondary

sortas="PL/Python">in PL/Python</></indexterm>

Python's <symbol>None</symbol> into the SQL null value.

</para>

<para>