Database Redesign Dependency graphs are diagrams that consist of nodes and arcs that show the dependencies of a database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model produced from the reverse engineering process does not include intersection table data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How can you find rows that do not match some specified condition? EXISTS NOT EXISTS None of these Double use of NOT EXISTS EXISTS NOT EXISTS None of these Double use of NOT EXISTS ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which SQL-92 standard SQL command can be used to change a table name? RENAME TABLE CHANGE TABLE None of these ALTER TABLE RENAME TABLE CHANGE TABLE None of these ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following SQL statements are helpful in database redesign? None of these EXISTS/NOT EXISTS expressions only Correlated subqueries only Both of the above are helpful None of these EXISTS/NOT EXISTS expressions only Correlated subqueries only Both of the above are helpful ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Typically, there should be at least two different copies of the database schema used in the redesign process. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS