Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Association relationships only Archetype/instance relationships only Multivalued attributes only All of these Association relationships only Archetype/instance relationships only Multivalued attributes only All of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: 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. used to define data types. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A surrogate key An alternate key A foreign key A primary key A surrogate key An alternate key A foreign key A primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: the parent table. the child table. either the parent table or the child table. either table without specifying parent and child tables. the parent table. the child table. either the parent table or the child table. either table without specifying parent and child tables. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000? Data constraints Default value Data type Null status Data constraints Default value Data type Null status ANSWER DOWNLOAD EXAMIANS APP