Data Models into Database Designs A foreign key is: used to define null status. used to define data types. a column containing the primary key of another table. All of these used to define null status. used to define data types. a column containing the primary key of another table. All of these 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 In a 1:1 relationship, the foreign key is placed in: either table without specifying parent and child tables. the child table. the parent table. either the parent table or the child table. either table without specifying parent and child tables. the child table. the parent table. either the parent table or the child table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Surrogate keys have much meaning for users. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs All primary keys are required. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is used to implement relationships between tables. False True False True ANSWER DOWNLOAD EXAMIANS APP