Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): referential integrity constraint. normal form. insertion anomaly. transitive dependency. referential integrity constraint. normal form. insertion anomaly. transitive dependency. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? None of the listed here data dictionary and query language data dictionary and transaction log query language and utilities None of the listed here data dictionary and query language data dictionary and transaction log query language and utilities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP