Introduction to Database System An attribute describes the entity's characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Sequential Question Language Structured Query Language Sequential Query Language Structured Question Language Sequential Question Language Structured Query Language Sequential Query Language Structured Question Language 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 DIFFERENT None of these SELECT DISTINCT SELECT UNIQUE All of these SELECT DIFFERENT None of these SELECT DISTINCT SELECT UNIQUE All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can correct spelling changes before they are recorded change the name of a field All of the listed here change the width of a field correct spelling changes before they are recorded change the name of a field All of the listed here change the width of a field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Entities Attributes Relationships Identifiers Entities Attributes Relationships Identifiers ANSWER DOWNLOAD EXAMIANS APP
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