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
Introduction to Database System In order to use a record management system None of these You need to understand the low-level details of how information in stored You need to understand the model the record management system uses. All of these Both (a) and (b) None of these You need to understand the low-level details of how information in stored You need to understand the model the record management system uses. All of these Both (a) and (b) 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? Relation Determinant Tuple Key Relation Determinant Tuple Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: entities. identifiers. relationships. attributes. entities. identifiers. relationships. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database is called "self-describing" because it contains a description of itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. False True False True ANSWER DOWNLOAD EXAMIANS APP