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? Weak entity Strong entity ID-dependent entity ID- independent entity Weak entity Strong entity ID-dependent entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want your database to include methods, you should use a _____ database. Hierarchical Network Distributed Object-Oriented Hierarchical Network Distributed Object-Oriented 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. Sort Key None of these Delete Index Update Sort Key None of these Delete Index Update 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 key: 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. can only be one column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sophisticated report generators can All of the listed here perform arithmetic operations print row-oriented reports selectively retrieve and print portions of a list All of the listed here perform arithmetic operations print row-oriented reports selectively retrieve and print portions of a list ANSWER DOWNLOAD EXAMIANS APP
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