Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Entities Primary keys Relationships Attributes Entities Primary keys Relationships Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data items grouped together for storage purposes are called a record None of these list title string record None of these list title string ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK None of these All of these SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK SELECT SUB FROM BOOK None of these 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 Specialized file Log file Update file Master file Specialized file Log file Update file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Applications are programs that interact directly with the database. True False True False ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS