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): insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the DBM approach, application programs perform the processing functions storage function access control all of the listed here processing functions storage function access control all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then None of these changing the data is one spot will cause data inconsistency it can be more easily accessed both (a) and (b) storage space is wasted None of these changing the data is one spot will cause data inconsistency it can be more easily accessed both (a) and (b) storage space is wasted 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? Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a centralized MIS structure decentralized MIS structure hierarchical MIS structure distributed MIS structure centralized MIS structure decentralized MIS structure hierarchical MIS structure distributed MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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