Introduction to Database System The primary key is selected from the: composite keys. foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. 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? Master file Log file Update file Specialized file Master file Log file Update file Specialized file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Look-up Insert All of the listed here Modify Look-up Insert All of the listed here Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to access them store information together arrange them create them access them store information together arrange them create them 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 printer high speed, large-capacity disk high-resolution video display plotter printer high speed, large-capacity disk ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? ability to associate related data program/data independence All of these increased security elimination of the data redundancy ability to associate related data program/data independence All of these increased security elimination of the data redundancy ANSWER DOWNLOAD EXAMIANS APP
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