Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key uniquely identifies an item in a list is made up a several pieces of information is a combination of each unique key both (a) and (b) None of these uniquely identifies an item in a list is made up a several pieces of information is a combination of each unique key both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to keep a floppy disk in readiness activate file editor load the software into your micro¬computer create a database file keep a floppy disk in readiness activate file editor load the software into your micro¬computer create a database file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT are written in English All of these both (a) and (b) None of these can use aggregate functions like SUM and COUNT are written in English All of these both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called fields None of these records file system databases fields None of these records file system databases ANSWER DOWNLOAD EXAMIANS APP
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