Oracle sequences questions and answers

A field in oracle can be kept as auto incremented by using sequence. it can be used to create a number sequence......
Sequence ensures that no other session or other call to nextval within the same session gets the same number from the sequence....
What are Schema Objects? - Schema objects are the logical database structure that represents database's data....
What is a sequence in oracle? - A Sequence is a user created database object. A sequence can be shared by multiple users to generate unique integers....