Sequence: Define a Sequence to generate sequential numbers automatically
example: You can use the update, select, insert statement
SQL> ed Wrote file afiedt.buf 1 create sequence test_seq 2 increment by 10 3 start with 100 4 maxvalue 200 5 minvalue 110 6 cycle 7* nocache SQL> / create sequence test_seq * ERROR at line 1: ORA-04006: START WITH cannot be less than MINVALUE SQL> ed Wrote file afiedt.buf 1 create sequence test_seq 2 increment by 10 3 start with 120 4 maxvalue 200 5 minvalue 110 6 cycle 7* nocache SQL> / Sequence created. SQL> select test_seq.nextval from dual; NEXTVAL ---------- 120 SQL> select test_seq.currval from dual CURRVAL ---------- 120 SQL>