--oracle建表
drop table gxdw;
CREATE TABLE gxdw(
id number(11) constraint pk_si_id primary key,
departcode varchar2(20),
departname varchar2(20),
departlevel varchar2(20),
parentdepartcode varchar2(20),
remarks varchar2(20),
update_time date,
is_delete number(1) default 0
);
comment on table gxdw is '管辖单位';
comment on column gxdw.id is 'id';
comment on column gxdw.departcode is '部门编码';
comment on column gxdw.departname is '部门名称';
comment on column gxdw.departlevel is '部门级别';
comment on column gxdw.parentdepartcode is '父级部门编码';
comment on column gxdw.remarks is '备注';
comment on column gxdw.update_time is '更新时间';
comment on column gxdw.is_delete is '是否已删除';
--实现主键自增
--第一步：创建序列：
create sequence gxdwID_seq
minvalue 1 --最小值限制为１
maxvalue 9999 --最大值限制
increment by 1 --每次自增１
start with 1; --从1开始计数
--第二步：创建立触发器：
create or replace trigger gxdwID_tri
before insert on gxdw
for each row
begin
select gxdwID_seq.Nextval into :new.id from dual;
end ;
