Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: the parent table. the child table. either table without specifying parent and child tables. either the parent table or the child table. the parent table. the child table. either table without specifying parent and child tables. either the parent table or the child table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The terms alternate key and candidate key mean the same thing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new parent row can always be inserted. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? None of these MUST COVER Both of the above MUST NOT None of these MUST COVER Both of the above MUST NOT ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They are fixed. They have meaning to the user. They are numeric. They are short. They are fixed. They have meaning to the user. They are numeric. They are short. ANSWER DOWNLOAD EXAMIANS APP