Question: Question (C1): Below is a database with 2 tables - Marina , Technician : Marina table : primary key = Marina Number, foreign key =
Question (C1):
Below is a database with 2 tables - Marina, Technician:
Marina table: primary key = Marina Number, foreign key = Tech Number,
Technician table: primary key = Tech Number, no foreign key
The above is a relational schema or entity relationship diagram for 2 tables: Marina and Technician. Explain why the above relational schema does NOT indicate the type of relationship (one-to-one, one-to-many, many-to-many) between these 2 tables, and describe potential problems that may occur. (3 marks)
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