Syntax
=====

.. code-block:: text

    table = DEFI_TRC (
        ◆ HIST_EXP = _F (
             ◆ VALE = float,
          ),
        ◆ TEMP_MS = _F (
             ◆ SEUIL = float,
             ◆ AKM = float,
             ◆ BKM = float,
             ◆ TPLM = float,
          ),
        ◇ GRAIN_AUST = _F (
             ◇ DREF = float,
             ◇ A = float,
          ),
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices