Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Attributes Entities Relationships Primary keys Attributes Entities Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an enterprise-class database system, business users interact directly with database applications, which directly access the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items an orderly collection of data items a general collection of data items None of these a single data item a random collection of data items an orderly collection of data items a general collection of data items None of these a single data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Long-range planning report produced in an MIS are primarily designed for middle management lower management All of these None of these top management middle management lower management All of these None of these top management ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Primitive operations common to all record management systems include Print Look-up Sort All of the listed here Print Look-up Sort All of the listed here ANSWER DOWNLOAD EXAMIANS APP