Introduction to Database System In a database, data is stored in spreadsheets which have rows and columns. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sophisticated report generators can selectively retrieve and print portions of a list print row-oriented reports All of the listed here perform arithmetic operations selectively retrieve and print portions of a list print row-oriented reports All of the listed here perform arithmetic operations ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? EMMS DASD None of these DBMS FMS EMMS DASD None of these DBMS FMS 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 Attributes Entities Relationships Primary keys Attributes Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP