Introduction to Database System A key: can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Microsoft Access is an enterprise-class database product. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Tuple Relation Determinant Key Tuple Relation Determinant Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: third normal form. second normal form. domain/key normal form. fourth normal form. third normal form. second normal form. domain/key normal form. fourth normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to modify records All of these delete records format printed output None of these modify records All of these delete records format printed output None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Index Update Sort Key Delete None of these Index Update Sort Key Delete None of these ANSWER DOWNLOAD EXAMIANS APP