create sequence, alter sequence, oracle 10g

1. 1DR. GIRIJA NARASIMHAN
Part 7- Alter Sequence

2. SQL> select seq1.nextval from dual;
NEXTVAL
----------
4
SQL> alter sequence seq1 increment by 3;
Sequence altered.
SQL> select seq1.nextval from dual;
NEXTVAL
----------
7
SQL> select seq1.nextval from dual;
NEXTVAL
----------
10
2DR. GIRIJA NARASIMHAN

3. SQL> alter sequence seq1 start with 7;
alter sequence seq1 start with 7
*
ERROR at line 1:
ORA-02283: cannot alter starting sequence number
3DR. GIRIJA NARASIMHAN