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? query language transaction log data manipulation language report writer None of these query language transaction log data manipulation language report writer None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Words Database Bytes Fields Words Database Bytes Fields 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? Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Delete Index Sort Key Update Delete Index Sort Key Update ANSWER DOWNLOAD EXAMIANS APP