A sequence was created in SQL called seq1 that increments by -2, has a maximum value of 8 and minimum of 0. When nextval is called on seq1, it returns the values 8, 6, 4, 2, 0, then cycles back to 8 since it hits the minimum value and is set to cycle.

1. 1DR. GIRIJA NARASIMHAN
Part 5- Create Sequence
Increment value using negative values

2. DR. GIRIJA NARASIMHAN
2
SQL> create sequence seq1
2 increment by -2
3 maxvalue 8
4 minvalue 0
5 cycle
6 nocache;
Sequence created.
SQL> select seq1.nextval from dual;
NEXTVAL
----------
8
SQL> select seq1.nextval from dual;
NEXTVAL
----------
6
SQL> select seq1.nextval from dual;
NEXTVAL
----------
4
SQL> select seq1.nextval from dual;
NEXTVAL
----------
2
SQL> select seq1.nextval from dual;
NEXTVAL
----------
0
SQL> select seq1.nextval from dual;
NEXTVAL
----------
8