Introduction to Database System Batch processing is appropriate if only a small computer system is available a large computer system is available All of these None of these only a few transactions are involved only a small computer system is available a large computer system is available All of these None of these only a few transactions are involved ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS each user can "see" only a small part of the entire database each subschema contains every field in the logical schema all of the listed here each user can access every sub¬schema each user can "see" only a small part of the entire database each subschema contains every field in the logical schema all of the listed here each user can access every sub¬schema 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-resolution video display high speed, large-capacity disk printer plotter high-resolution video display high speed, large-capacity disk printer plotter ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: 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. identifies a column. can only be one column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the _____ command is used to recompile a view None of these COMPILE VIEW CREATE VIEW DEFINE VIEW ALTER VIEW None of these COMPILE VIEW CREATE VIEW DEFINE VIEW ALTER VIEW ANSWER DOWNLOAD EXAMIANS APP