🔒 Closed ER DIAGRAM. About notation po. Help.

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Maginaku

Honorary Poster
Baka po alam nyo to?. Salamat po.
Eto po mga sagot ko. Hindi din po sure kung tama.
*Identify what type of ER Diagram Notation:
-airport_code - primary key attribute -Flight_leg - weak entity
-Reservation - identifying weak relationship
-Code - Derived attribute
-Airplane_type - (strong) entity
 

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Lahat ng mga nakikita mong box na ISA ang kahon mga strong entity yan.

Lahat ng mga nakikita mong box na DALAWA ang kahon mga weak entity yan.
 
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