What is sequences in PostgreSQL?

Related questions

1. What is schema in PostgreSQL?
2. What is namespace in PostgreSQL?
3. How do I drop a column in PostgreSQL?
4. What is Numeric in PostgreSQL?
5. Is PostgreSQL case sensitive?
6. How do I rename a column in PostgreSQL?
7. How do I rename a table in PostgreSQL?
8. What is Pg_catalog in Postgres?
9. What is Bigint in PostgreSQL?
10. How do I change the order of columns in PostgreSQL?

Tags

1. #simply
2. #identifiers
3. #tables
4. #command
5. #unique
6. #known
7. #postgresql
8. #created
9. #sequences
10. #numeric
11. #objects
12. #sequence
13. #create
14. #single
15. #generate
16. #database
17. #special
18. #generators