Introduction to Database System A computer file can be best described as an orderly collection of data items a random collection of data items a general collection of data items None of these a single data item an orderly collection of data items a random collection of data items a general collection of data items None of these a single data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . itself an archetype entity a subtype entity an instance entity itself an archetype entity a subtype entity an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): two dimensional table. key of a table. row of a table. column of a table. two dimensional table. key of a table. row of a table. column of a table. 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 DISTINCT All of these SELECT DIFFERENT SELECT UNIQUE None of these SELECT DISTINCT All of these SELECT DIFFERENT SELECT UNIQUE None of these ANSWER DOWNLOAD EXAMIANS APP