462
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Изменения
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→Примеры
==== Примеры ====
G <font color = blue>where</font> <font color = blue>$\exists$</font>S <font color = gray>(</font>S<font color = gray>.</font>FirstName <font color = gray>=</font> <font color = green>'Иван'</font> ∧ S<font color = gray>.</font>GId <font color = gray>=</font> G<font color = gray>.</font>GId<font color = gray>)</font></font>
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> ∨ S<font color = gray>.</font>GId <font color = gray><></font> G<font color = gray>.</font>GId<font color = gray>)</font>