Introduction to Database System An attribute that names or identifies entity instances is a(n): attribute. identifier. relationship. entity. attribute. identifier. relationship. entity. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . e-commerce database application single-user database application data mining database application multiuser database application e-commerce database application single-user database application data mining database application multiuser database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The database administration function includes All of these application programming computer operations management None of these database access planning All of these application programming computer operations management None of these database access planning ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID-dependent entity ID- independent entity Weak entity Strong entity ID-dependent entity ID- independent entity Weak entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Specialized file Log file Master file Update file Specialized file Log file Master file Update file ANSWER DOWNLOAD EXAMIANS APP
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