Data Models into Database Designs Each entity is represented as a(n): attribute. tuple. file. table. attribute. tuple. file. table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: used to define data types. All of these a column containing the primary key of another table. used to define null status. used to define data types. All of these a column containing the primary key of another table. used to define null status. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. primary key identity key main attribute foreign key primary key identity key main attribute foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The DBMS allows surrogate keys to be changed. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: either table without specifying parent and child tables. the parent table. either the parent table or the child table. the child table. either table without specifying parent and child tables. the parent table. either the parent table or the child table. the child table. ANSWER DOWNLOAD EXAMIANS APP
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