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The primary key of a table must be called <tt>rowid</tt>.
The primary key of a table must be called <tt>rowid</tt>.
−
Some old tables does not use this rule and use a primary key called <tt>id</tt> (ie [[Table llx_c_actioncomm]]), but the reason is history and this should not happen anymore.
+
Some old tables do not use this rule and use a primary key called <tt>id</tt> (e.g. [[Table llx_c_actioncomm]]). The reason is historical and this should not happen anymore.
==Foreign keys==
==Foreign keys==