Introduction to Database System A computer file can be best described as an orderly collection of data items a general collection of data items a single data item None of these a random collection of data items an orderly collection of data items a general collection of data items a single data item None of these a random collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. True False True False 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? Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation None of these ALTER INDEX DO INDEX MODIFY INDEX REDEFINE INDEX None of these ALTER INDEX DO INDEX MODIFY INDEX REDEFINE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of a list of keys both (a) and (b) None of these pointers to the master list All of these a list of keys both (a) and (b) None of these pointers to the master list All of these ANSWER DOWNLOAD EXAMIANS APP
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