Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? All of these Association relationships only Archetype/instance relationships only Multivalued attributes only All of these Association relationships only Archetype/instance relationships only Multivalued attributes only ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: used to define null status. a column containing the primary key of another table. used to define data types. All of these used to define null status. a column containing the primary key of another table. used to define data types. All of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Intersection tables are ID-dependent on both their parent tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: the child table. either table without specifying parent and child tables. the parent table. either the parent table or the child table. the child table. either table without specifying parent and child tables. the parent table. either the parent table or the child table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties specifies whether or not cells in a column must contain a data value? Data constraints Null status Default value Data type Data constraints Null status Default value Data type ANSWER DOWNLOAD EXAMIANS APP
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