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): normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? Database applications COBOL programs Users DBMS Database applications COBOL programs Users DBMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): two dimensional table. key of a table. column of a table. row of a table. two dimensional table. key of a table. column of a table. row of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Information provider Information tree Directory information Database Information provider Information tree Directory information Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
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