Populating a Primary Key Using a Sequence : Primary Key « Sequences « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Sequences » Primary Key 
5.5.1.Populating a Primary Key Using a Sequence
SQL>
SQL>
SQL> CREATE TABLE myTable (
  2    id INTEGER CONSTRAINT pk PRIMARY KEY,
  3    status VARCHAR2(10)
  4  );

Table created.

SQL> CREATE SEQUENCE my_seq NOCACHE;

Sequence created.

SQL>
SQL> INSERT INTO myTable (id, statusVALUES (my_seq.nextval, 'PLACED');

row created.

SQL> INSERT INTO myTable (id, statusVALUES (my_seq.nextval, 'PENDING');

row created.

SQL>
SQL> select from myTable;

        ID STATUS
---------- ----------
         PLACED
         PENDING

SQL>
SQL> drop table myTable;

Table dropped.

SQL> drop sequence my_seq;

Sequence dropped.
5.5.Primary Key
5.5.1.Populating a Primary Key Using a Sequence
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