1. Which command creates a new table? 2. Which command and clause adds an individual row to a table? 3. How do you add data from an existing table to another table? 4. Which command changes data in a table? 5. Which command removes rows from a table? 6. Which command makes updates permanent? 7. Which command reverses updates? Which updates are reversed? 8. How do you use the COMMIT and ROLLBACK commands to support transactions? 9. What is the format of the SET clause that changes the value in a column to null in an UPDATE command?