シーケンスの作成方法 - MyOSS

test=# create sequence seq1;
CREATE SEQUENCE
test=# create table seq_t(a int default nextval('seq1'), b int);
CREATE TABLE
test=# insert into seq_t(b) values(10);
INSERT 18225 1
test=# insert into seq_t(b) values(20);
INSERT 18226 1
test=# insert into seq_t(b) values(30);
INSERT 18227 1
test=# select last_value from seq1;
last_value
　------------
　3
(1 row)

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