Introduction to Database System The primary key is selected from the: candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Log file Master file Specialized file Update file Log file Master file Specialized file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following hardware components is the most important to the operation of a database management system? high-resolution video display plotter high speed, large-capacity disk printer high-resolution video display plotter high speed, large-capacity disk printer ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of a list of keys pointers to the master list both (a) and (b) All of these None of these a list of keys pointers to the master list both (a) and (b) All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Sort Key Delete Index Update None of these Sort Key Delete Index Update ANSWER DOWNLOAD EXAMIANS APP
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