Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following hardware components is the most important to the operation of a database management system? high speed, large-capacity disk printer high-resolution video display plotter high speed, large-capacity disk printer high-resolution video display plotter ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if All of these None of these only a small computer system is available a large computer system is available only a few transactions are involved All of these None of these only a small computer system is available a large computer system is available only a few transactions are involved ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT SELECT UNIQUE None of these All of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE None of these All of these SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? UNATTACH TABLE DELETE TABLE DROP TABLE ERASE TABLE UNATTACH TABLE DELETE TABLE DROP TABLE ERASE TABLE ANSWER DOWNLOAD EXAMIANS APP