You have decided to implement automatic undo management. Which of these steps is optional? A. Set the parameter UNDO_MANAGEMENT.
B. Create an undo tablespace.
C. Set the parameter UNDO_RETENTION.
D. Restart the instance

You can apply several different worksheet themes from which tab?

Which of the following characters is acceptable to use in a filename? ? / – %

Acontact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. write a program that first takes in word pairs that consist of a name and a phone number (both strings). that list is followed by a name, and your program should output that name's phone number.