Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these SELECT DISTINCT SUB FROM BOOK None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK All of these SELECT DISTINCT SUB FROM BOOK None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Relationships Primary keys Entities Attributes Relationships Primary keys Entities Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. False True False True 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 change the width of a field correct spelling changes before they are recorded change the name of a field All of the listed here change the width of a field correct spelling changes before they are recorded ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . data mining database application single-user database application multiuser database application e-commerce database application data mining database application single-user database application multiuser database application e-commerce database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called data None of these fields database files data None of these fields database files ANSWER DOWNLOAD EXAMIANS APP
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