Introduction to Database System A key: can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . a subtype entity itself an archetype entity an instance entity a subtype entity itself an archetype entity an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system Both (a) and (b) None of these You need to understand the model the record management system uses. You need to understand the low-level details of how information in stored All of these Both (a) and (b) None of these You need to understand the model the record management system uses. You need to understand the low-level details of how information in stored All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): entity class. ER attribute. database. entity class. ER attribute. database. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. attribute. relationship. entity. identifier. attribute. relationship. entity. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It allows a many-to-many relationship It will be the dominant data base of the future It is conceptually simple It is a physical representation of the data It allows a many-to-many relationship It will be the dominant data base of the future It is conceptually simple It is a physical representation of the data ANSWER DOWNLOAD EXAMIANS APP
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