2. Syntax

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