Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if a large computer system is available only a few transactions are involved only a small computer system is available All of these None of these a large computer system is available only a few transactions are involved only a small computer system is available All of these None of these 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? Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an enterprise-class database system, business users interact directly with database applications, which directly access the database data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of pointers to the master list All of these a list of keys None of these both (a) and (b) pointers to the master list All of these a list of keys None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field ANSWER DOWNLOAD EXAMIANS APP
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