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