Introduction to Database System Properties that describe the characteristics of entities are called: entities. attributes. relationships. identifiers. entities. attributes. relationships. identifiers. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what attribute are possessed by the data what files are in the database what these files contain All of the listed here what attribute are possessed by the data what files are in the database what these files contain All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means modifying or adding record occurrences reorganizing the database all of the listed here revising the file structure modifying or adding record occurrences reorganizing the database all of the listed here revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP