Oracle中创建表，创建序列，创建自增字段，添加注释， 添加记录，添加触发器，提交
--修改用户的密码

select * from dba_users where username='TAOKAUSER';

alter user TAOKAUSER identified by sasa;



--授权
grant all on dcs.dcs_category to bafapps;--  dcs.dcs_category（用户名.表名）  bafapps接收权限的用户名
grant all on dcs.dcs_category_tl to bafapps;

--创建同义词
create synonym dcs_category for dcs.dcs_category;
create synonym dcs_category_tl for dcs.dcs_category_tl;



--创建表空间

CREATE TABLESPACE TaoKa DATAFILE
  'D:\oracle\product\10.2.0\oradata\orcl\TaoKa' SIZE 1M AUTOEXTEND ON NEXT 50M MAXSIZE UNLIMITED
LOGGING
ONLINE
PERMANENT
EXTENT MANAGEMENT LOCAL AUTOALLOCATE
BLOCKSIZE 8K
SEGMENT SPACE MANAGEMENT MANUAL;



--创建用户
CREATE USER TaoKaUser
  IDENTIFIED BY VALUES '35CC57B23E8092CD'
  DEFAULT TABLESPACE TaoKa
  TEMPORARY TABLESPACE TEMP
  PROFILE DEFAULT
  ACCOUNT UNLOCK;
  -- 3 Roles for TaoKa
  GRANT CONNECT TO TaoKaUser WITH ADMIN OPTION;
  GRANT DBA TO TaoKaUser WITH ADMIN OPTION;
  GRANT RESOURCE TO TaoKaUser WITH ADMIN OPTION;
  ALTER USER TaoKaUser DEFAULT ROLE ALL;
  -- 5 System Privileges for TaoKa
  GRANT INSERT ANY TABLE TO TaoKaUser WITH ADMIN OPTION;
  GRANT SELECT ANY SEQUENCE TO TaoKaUser;
  GRANT SELECT ANY TABLE TO TaoKaUser WITH ADMIN OPTION;
  GRANT UNLIMITED TABLESPACE TO TaoKaUser WITH ADMIN OPTION;
  GRANT UPDATE ANY TABLE TO TaoKaUser WITH ADMIN OPTION;
  -- 2 Tablespace Quotas for TaoKa
  ALTER USER TaoKaUser QUOTA UNLIMITED ON TaoKa;
  ALTER USER TaoKaUser QUOTA UNLIMITED ON TaoKa;









// 创建一个序列
CREATE SEQUENCE Car_GUID increment by 1;

// 创建一个表
CREATE TABLE Car
(
GUID NUMBER NOT NULL PRIMARY KEY,
PhoneId Char(11) NOT NULL,
UserName VarChar(20) NOT NULL
);

// 添加注释
comment on table car is '定位信息用户表';
Comment on column car.guid is '自增字段';
Comment on column Car.PhoneId is '电话唯一标识';
Comment on column Car.UserName is '用户名称';

// 添加一条记录
INSERT INTO Car(GUID, PhoneId, UserName) Values(CAR_GUID.nextval, '13589256783', '张三');

// 提交
commit;

// 触发器
create or replace trigger Trigger_Car_GUID_Insert 
before insert on Car
for each row
begin
select CARGUIDSEQ.nextval into  :new.GUID from sys.dual;
end;