Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to delete records format printed output modify records None of these All of these delete records format printed output modify records None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file contains only a list of keys and record numbers None of these both (b) and (c) is sorted in ascending order has a number assigned to each record contains only a list of keys and record numbers None of these both (b) and (c) is sorted in ascending order has a number assigned to each record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key both (a) and (b) is a combination of each unique key None of these is made up a several pieces of information uniquely identifies an item in a list both (a) and (b) is a combination of each unique key None of these is made up a several pieces of information uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Relational Object-Oriented Network None of these Hierarchical Relational Object-Oriented Network None of these Hierarchical ANSWER DOWNLOAD EXAMIANS APP
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