Изменения
→Примеры
G <font color = blue>where</font> <font color = blue>$\forall$</font>S <font color = gray>(</font>S<font color = gray>.</font>FirstName <font color = gray>=</font> <font color = green>'Иван'</font> <font color = blue>∨</font> S<font color = gray>.</font>GId <font color = gray><></font> G<font color = gray>.</font>GId<font color = gray>)</font>
== Примеры ==