The identifier of an entity will become the ________ of the new table.
A. foreign key
B. main attribute
C. primary key
D. identity key
Answer: Option C
A. foreign key
B. main attribute
C. primary key
D. identity key
Answer: Option C
A. A domain constraint
B. A range constraint
C. An intrarelation constraint
D. An interrelation constraint
In a 1:N relationship, the foreign key is placed in:
A. either table without specifying parent and child tables.
B. the parent table.
C. the child table.
D. either the parent table or the child table.
A. Null status
B. Data type
C. Default value
D. Data constraints
A primary key should be defined as:
A. NULL.
B. NOT NULL.
C. Either of the above can be used.
D. None of the above are correct.
Pls the understanding is not ok for me.