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lines 5-22 of file: xrst/all_node_db.xrst
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{xrst_begin_parent all_node_db}
{xrst_spell
  tbl
}

The All Node DataBase
#####################
This data base contains information for all the nodes between the
:ref:`glossary@root_node` and the :ref:`glossary@fit_goal_set`.

Primary Key
***********
If *tbl_name* is the name of a table in this database,
the primary key column has name *tbl_name*\ ``_id`` .
This must be the first column, have type ``integer`` ,
initial value is zero, and it must increment by one for each row.

{xrst_end all_node_db}