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 Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: tables. attributes. rows. relations. tables. attributes. rows. relations. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these None of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK All of these None of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called any of the above None of these TOTAL DB/DC dictionary ACCESS any of the above None of these TOTAL DB/DC dictionary ACCESS ANSWER DOWNLOAD EXAMIANS APP
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. transitive dependency. insertion anomaly. referential integrity constraint. normal form. transitive dependency. insertion anomaly. referential integrity constraint. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . an application program metadata compatible described self-describing an application program metadata compatible described self-describing ANSWER DOWNLOAD EXAMIANS APP
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