Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): referential integrity constraint. normal form. transitive dependency. insertion anomaly. referential integrity constraint. normal form. transitive dependency. insertion anomaly. 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 _____. Update Index Sort Key Delete Update Index Sort Key Delete 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? Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for All of these improving data integrity protecting data in data communication systems reducing storage space requirements None of these All of these improving data integrity protecting data in data communication systems reducing storage space requirements None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . metadata compatible described an application program self-describing metadata compatible described an application program self-describing ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called ACCESS None of these DB/DC dictionary TOTAL any of the above ACCESS None of these DB/DC dictionary TOTAL any of the above ANSWER DOWNLOAD EXAMIANS APP
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