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法一: Sql代码 收藏代码
CREATE TABLE customers
(
customerid SERIAL primary key ,
companyname character varying,
contactname character varying,
phone character varying,
country character varying
)
法二: Sql代码 收藏代码
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');