方法一：
CREATE TABLE customers ( customerid SERIAL primary key , companyname character varying, contactname character varying, phone character varying, country character varying )
方法二：
CREATE SEQUENCE event_id_seq
START WITH 1
INCREMENT BY 1 NO MINVALUE NO MAXVALUE
CACHE 1;
alter table event alter column id set default nextval('event_id_seq');
Python学习网，大量的免费PostgreSQL入门教程，欢迎在线学习！
神龙|纯净稳定代理IP免费测试>>>>>>>>天启|企业级代理IP免费测试>>>>>>>>IPIPGO|全球住宅代理IP免费测试
