Database Redesign The EXISTS keyword will be true if any row in the subquery meets the condition. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Although creating test databases is a critical and necessary job, there are few career opportunities in this area. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The NOT EXISTS keyword will be true if: both of these two conditions are met. neither of these two conditions is met. any row in the subquery meets the condition. all rows in the subquery fail the condition. both of these two conditions are met. neither of these two conditions is met. any row in the subquery meets the condition. all rows in the subquery fail the condition. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Information systems and organizations do not just influence each other; they create each other. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Database redesign is especially difficult if the database has no data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following modifications may not succeed? Changing a column data type from char to date Neither of the above actions will succeed Both of the above actions should succeed Changing a column data type from numeric to char Changing a column data type from char to date Neither of the above actions will succeed Both of the above actions should succeed Changing a column data type from numeric to char ANSWER DOWNLOAD EXAMIANS APP