Introduction to Database System Updating a database means revising the file structure modifying or adding record occurrences reorganizing the database all of the listed here revising the file structure modifying or adding record occurrences reorganizing the database all of the listed here 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 Archetype entity Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Domain/key normal form Third normal form Second normal form First normal form Domain/key normal form Third normal form Second normal form First normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? transaction log report writer query language None of these data manipulation language transaction log report writer query language None of these data manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
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