Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. transitive dependencies. normal forms. referential integrity constraints. modification anomalies. transitive dependencies. normal forms. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Related fields in a data base are grouped to form data record None of these menu data file bank data record None of these menu data file bank ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and transaction log None of the listed here data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language query language and utilities ANSWER DOWNLOAD EXAMIANS APP
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