Introduction to Database System The distinguishable parts of a record are called None of these database fields files data None of these database fields files data 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? 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 Primitive operations common to all record management systems include All of the listed here Sort Look-up Print All of the listed here Sort Look-up Print ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT SELECT DIFFERENT SELECT UNIQUE All of these None of these SELECT DISTINCT SELECT DIFFERENT SELECT UNIQUE All of these None of these 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? Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema restricts the structure to a one-to-many relationship permits many-to-many relation¬ships All of the listed here stores data in tables restricts the structure to a one-to-many relationship permits many-to-many relation¬ships All of the listed here stores data in tables ANSWER DOWNLOAD EXAMIANS APP
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