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Spool 目录  （把sql语句都记录在txt文件中）
spool  e:\\xxx.txt
Spool off 结束

SQL> --清除屏幕信息
SQL> clear screen

SQL> --查看表空间
SQL> select * from v$tablespace;

 

SQL> --设置sql语句显示的长度
SQL> set linesize 500;
SQL> select * from v$tablespace;



SQL> --创建表空间
SQL> create tablespace   t11
  2  datafile \'E:\\U2\\t11.dbf\'
  3  size 200m
  4  autoextend on next 20  maxsize unlimited;

表空间已创建。

SQL> select * from v$tablespace;

SQL> --查看表空间 是否是 自动扩容
SQL> select tablespace_name,autoextensible from dba_data_files;



SQL> --取消自动扩容
SQL> alter  database datafile \'E:\\U2\\t11.dbf\'  autoextend off;

数据库已更改。



SQL> --开启
SQL> alter  database datafile \'E:\\U2\\t11.dbf\'  autoextend on;

数据库已更改。



SQL> --删除表空间
SQL> drop  tablespace t11;

表空间已删除。

SQL> select * from v$tablespace;

SQL> --只是删除了表空间  但是数据文件还在
SQL> --删除表空间的同时，删除数据文件 
SQL> drop  tablespace t11 including contents and datafiles;
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删除表空间，文件还在！
删除文件，用户还在！
都删除必须使用下面的！

drop tablespace 空间名
    including contents and datafiles
      cascade constraint
 drop user 用户名 cascade

 

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SQL> --创建用户 并且分配默认的表空间  如果没有指定 则在users表空间中
SQL> create  user wym identified by wym default tablespace t10 ;

用户已创建。

SQL> --授权
SQL> grant connect,resource to t11;

授权成功。

SQL> --切换用户
SQL> conn  wym/wym;

SQL> conn / as sysdba;
已连接。
SQL> --使用dba  查询所有的用户名以及默认的表空间   
SQL> select username,default_tablespace from dba_users;

--更换用户的默认表空间
alter user 用户名  default tablespace 表空间的名称！

--修改用户名密码
SQL> alter user 用户名 identified by 新密码

SQL> --删除用户  以及相关的所有信息
SQL> drop  user t11 cascade;
复制代码

 

 

 

create table DEPT
(
  deptno NUMBER(2) not null,
  dname  VARCHAR2(20),
  loc    VARCHAR2(13)
);

  
alter table DEPT
  add constraint PK_DEPT primary key (DEPTNO);

create table TEACHER
(
  tno       NUMBER(4) not null,
  tname     VARCHAR2(30) not null,
  tid       CHAR(18),
  gendar    CHAR(3),
  birthdate DATE,
  job       VARCHAR2(20),
  hiredate  DATE,
  sal       NUMBER(7,2),
  deptno    NUMBER(2),
  mgrno     NUMBER(4),
  comm      NUMBER(7,2)
);
 需要的sql语句
insert into DEPT (deptno, dname, loc)
values (40, \'人力部\', \'北京海淀\');
insert into DEPT (deptno, dname, loc)
values (30, \'产品部\', \'北京海淀\');
insert into DEPT (deptno, dname, loc)
values (20, \'招生部\', \'上海虹桥\');
insert into DEPT (deptno, dname, loc)
values (10, \'研究院\', \'北京海淀\');
insert into DEPT (deptno, dname, loc)
values (50, \'系统部\', \'北京昌平\');
commit;

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1002, \'赵辉\', \'110101760609001   \', \'男\', to_date(\'09-06-1976\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'23-05-2006 02:40:40\', \'dd-mm-yyyy hh24:mi:ss\'), 29370.95, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1003, \'杨利乐\', \'110101198705256045\', \'女\', to_date(\'25-05-1987\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 7134.32, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1004, \'王益辉\', \'110101199108154770\', \'男\', to_date(\'15-08-1991\', \'dd-mm-yyyy\'), \'营销专员\', to_date(\'16-01-2012 03:12:43\', \'dd-mm-yyyy hh24:mi:ss\'), 30737.36, 20, null, 2300.00);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1006, \'秦璐璐\', \'110101199004153068\', \'女\', to_date(\'14-04-1990\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'20-06-2012 00:47:09\', \'dd-mm-yyyy hh24:mi:ss\'), 9013.25, 10, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1007, \'梁改焕\', \'110101196911206548\', \'女\', to_date(\'20-11-1969\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'13-06-2006 23:07:02\', \'dd-mm-yyyy hh24:mi:ss\'), 8664.16, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1008, \'冯爱仙\', \'110101196804021521\', \'女\', to_date(\'02-04-1968\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'06-06-2006 13:41:50\', \'dd-mm-yyyy hh24:mi:ss\'), 29936.29, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1009, \'秦亚杰\', \'110101196312163531\', \'男\', to_date(\'16-12-1963\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'13-07-2005 06:32:30\', \'dd-mm-yyyy hh24:mi:ss\'), 24991.44, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1010, \'刘浩星\', \'110101198806283516\', \'男\', to_date(\'28-06-1988\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 22645.92, null, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1011, \'秦春叶\', \'110101197103033540\', \'女\', to_date(\'03-03-1971\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'07-07-2007 16:02:04\', \'dd-mm-yyyy hh24:mi:ss\'), 31653.23, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1012, \'陈水花\', \'110101192811043026\', \'女\', to_date(\'04-11-1928\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'29-01-2005 23:21:59\', \'dd-mm-yyyy hh24:mi:ss\'), 29773.37, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1013, \'马付妮\', \'110101195806133522\', \'女\', to_date(\'13-06-1958\', \'dd-mm-yyyy\'), \'研发\', to_date(\'17-11-2004 08:54:04\', \'dd-mm-yyyy hh24:mi:ss\'), 17041.60, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1015, \'刘得安\', \'110101195210083518\', \'男\', to_date(\'08-10-1952\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'13-03-2005 23:25:37\', \'dd-mm-yyyy hh24:mi:ss\'), 30356.99, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1016, \'高利芹\', \'110101198307276020\', \'女\', to_date(\'27-07-1983\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 25751.36, null, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1017, \'刘志刚\', \'110101197806164493\', \'男\', to_date(\'16-06-1978\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'10-05-2008 13:46:33\', \'dd-mm-yyyy hh24:mi:ss\'), 22344.73, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1018, \'高心立\', \'110101194102076011\', \'男\', to_date(\'07-02-1941\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'03-03-2005 15:17:07\', \'dd-mm-yyyy hh24:mi:ss\'), 19981.02, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1019, \'徐丽\', \'11010119790809354X\', \'男\', to_date(\'09-08-1979\', \'dd-mm-yyyy\'), \'研发\', to_date(\'09-12-2009 18:37:22\', \'dd-mm-yyyy hh24:mi:ss\'), 10950.33, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1021, \'刘志红\', \'110101196504284452\', \'男\', to_date(\'28-04-1965\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'20-09-2011 10:51:33\', \'dd-mm-yyyy hh24:mi:ss\'), 7122.60, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1022, \'孔鹏飞\', \'110101198603304014\', \'男\', to_date(\'30-03-1986\', \'dd-mm-yyyy\'), \'人力资源师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 7045.28, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1023, \'李建坡\', \'110101731107301   \', \'男\', to_date(\'07-11-1973\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'04-07-2009 06:28:20\', \'dd-mm-yyyy hh24:mi:ss\'), 21133.91, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1024, \'冯爱敏\', \'110101196907283840\', \'女\', to_date(\'18-07-1969\', \'dd-mm-yyyy\'), \'营销专员\', to_date(\'12-09-2005 22:41:06\', \'dd-mm-yyyy hh24:mi:ss\'), 3360.91, 20, null, 50000.00);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1025, \'薛栓成\', \'110101400710051   \', \'男\', to_date(\'10-07-1940\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'03-09-2007 14:55:06\', \'dd-mm-yyyy hh24:mi:ss\'), 12136.65, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1026, \'牛伟伟\', \'11010119851120602X\', \'女\', to_date(\'20-11-1985\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 6622.66, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1027, \'郭香云\', \'110101196010154525\', \'女\', to_date(\'15-10-1960\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'03-05-2005 13:01:22\', \'dd-mm-yyyy hh24:mi:ss\'), 26436.18, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1028, \'朱花枝\', \'110101195605154028\', \'女\', to_date(\'15-05-1956\', \'dd-mm-yyyy\'), \'研发\', to_date(\'11-09-2007 07:41:01\', \'dd-mm-yyyy hh24:mi:ss\'), 10095.22, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1029, \'李岗\', \'110101196505163095\', \'男\', to_date(\'16-05-1965\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'09-11-2007 17:26:38\', \'dd-mm-yyyy hh24:mi:ss\'), 23928.84, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1030, \'李军会\', \'110101197706152524\', \'男\', to_date(\'15-06-1977\', \'dd-mm-yyyy\'), \'营销专员\', to_date(\'12-05-2007 19:48:21\', \'dd-mm-yyyy hh24:mi:ss\'), 3492.19, 20, null, 25000.00);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1031, \'孙龙举\', \'110101198908306037\', \'男\', to_date(\'30-08-1989\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 4323.84, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1032, \'韩朝旭\', \'110101199003270513\', \'男\', to_date(\'27-03-1900\', \'dd-mm-yyyy\'), \'人力资源师\', to_date(\'11-09-2010 17:54:30\', \'dd-mm-yyyy hh24:mi:ss\'), 13740.92, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1033, \'孙少光\', \'110101198809274535\', \'男\', to_date(\'27-09-1988\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 19778.62, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1035, \'邓香敏\', \'110101196607163109\', \'女\', to_date(\'16-07-1966\', \'dd-mm-yyyy\'), \'人力资源师\', to_date(\'12-04-2007 17:47:14\', \'dd-mm-yyyy hh24:mi:ss\'), 29463.38, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1037, \'霍振方\', \'110101198411070014\', \'男\', to_date(\'07-11-1984\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 23731.31, 40, 1087, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1038, \'许双鸽\', \'110101781217004   \', \'女\', to_date(\'17-12-1978\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'05-09-2007 18:45:00\', \'dd-mm-yyyy hh24:mi:ss\'), 16512.52, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1040, \'张春红\', \'110101197806176089\', \'女\', to_date(\'17-06-1978\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'21-11-2004 06:52:30\', \'dd-mm-yyyy hh24:mi:ss\'), 31728.83, 10, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1041, \'卢玉莲\', \'110101510606004   \', \'女\', to_date(\'06-06-1951\', \'dd-mm-yyyy\'), \'人力资源师\', to_date(\'30-03-2009 17:05:45\', \'dd-mm-yyyy hh24:mi:ss\'), 17596.43, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1042, \'李军会\', \'110101197706152524\', \'男\', to_date(\'15-06-1977\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'13-06-2008 03:24:47\', \'dd-mm-yyyy hh24:mi:ss\'), 8443.59, 50, 1008, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1043, \'朱水娃\', \'110101195210033512\', \'男\', to_date(\'03-10-1952\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'11-10-2009 03:40:53\', \'dd-mm-yyyy hh24:mi:ss\'), 9123.09, 30, 1008, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1045, \'高大荣\', \'110101195504073528\', \'女\', to_date(\'07-04-1955\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'07-12-2005 14:56:05\', \'dd-mm-yyyy hh24:mi:ss\'), 4000.00, 10, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1046, \'秦付根\', \'110101195301034035\', \'男\', to_date(\'03-01-1953\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'10-12-2004 22:51:51\', \'dd-mm-yyyy hh24:mi:ss\'), 16420.33, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1047, \'樊增妮\', \'110101410715352   \', \'女\', to_date(\'15-07-1941\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'02-12-2005 14:41:54\', \'dd-mm-yyyy hh24:mi:ss\'), 13316.01, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1048, \'宋素敏\', \'11010119720111458X\', \'女\', to_date(\'11-02-1972\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'26-09-2004 12:15:57\', \'dd-mm-yyyy hh24:mi:ss\'), 2142.92, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1049, \'李记\', \'110101194803256012\', \'男\', to_date(\'25-03-1948\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'23-03-2006 19:12:45\', \'dd-mm-yyyy hh24:mi:ss\'), 13866.09, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1050, \'秦单风\', \'110101198911153625\', \'女\', to_date(\'15-11-1989\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'21-10-2012 05:31:34\', \'dd-mm-yyyy hh24:mi:ss\'), 21419.38, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1051, \'秦占豪\', \'110101198509034011\', \'男\', to_date(\'03-09-1985\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 31564.79, 40, 1087, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1054, \'张利娟\', \'110101197901173062\', \'女\', to_date(\'17-01-1979\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'08-05-2011 22:37:13\', \'dd-mm-yyyy hh24:mi:ss\'), 7419.99, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1055, \'陈向琼\', \'11010119871010354X\', \'男\', to_date(\'10-10-1987\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 4000.00, 10, 1087, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1056, \'杨晓磊\', \'110101199105106079\', \'男\', to_date(\'10-05-1991\', \'dd-mm-yyyy\'), \'研发\', to_date(\'05-04-2012 22:16:05\', \'dd-mm-yyyy hh24:mi:ss\'), 20812.41, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1057, \'黄芳菊\', \'110101196611133520\', \'女\', to_date(\'13-11-1966\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'04-07-2008 17:36:20\', \'dd-mm-yyyy hh24:mi:ss\'), 12711.46, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1058, \'李红勤\', \'110101197209084047\', \'女\', to_date(\'08-09-1972\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'01-03-2007 05:57:34\', \'dd-mm-yyyy hh24:mi:ss\'), 21119.95, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1060, \'薛栓成\', \'110101400710051   \', \'男\', to_date(\'10-07-1940\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'22-08-2007 08:06:47\', \'dd-mm-yyyy hh24:mi:ss\'), 24544.66, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1061, \'高发娃\', \'110101192905226032\', \'男\', to_date(\'22-05-1929\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'12-12-2004 22:49:04\', \'dd-mm-yyyy hh24:mi:ss\'), 23458.34, 10, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1062, \'李新昌\', \'110101196403106013\', \'男\', to_date(\'10-03-1964\', \'dd-mm-yyyy\'), \'研发\', to_date(\'01-04-2011 18:00:33\', \'dd-mm-yyyy hh24:mi:ss\'), 18605.46, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1065, \'赵永刚\', \'110101197507310014\', \'男\', to_date(\'31-07-1975\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'05-12-2009 15:00:29\', \'dd-mm-yyyy hh24:mi:ss\'), 3155.96, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1067, \'冯世伟\', \'110101198811154532\', \'男\', to_date(\'15-11-1988\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 17854.88, 40, 1087, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1068, \'张延付\', \'110101197005233514\', \'男\', to_date(\'23-05-1970\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'21-05-2009 10:16:16\', \'dd-mm-yyyy hh24:mi:ss\'), 24294.43, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1070, \'陈粉\', \'110101195801206040\', \'女\', to_date(\'20-01-1958\', \'dd-mm-yyyy\'), \'营销专员\', to_date(\'29-06-2011 21:27:04\', \'dd-mm-yyyy hh24:mi:ss\'), 17708.56, 20, null, 600.00);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1071, \'张根祥\', \'110101194412126513\', \'男\', to_date(\'12-12-1944\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'06-10-2006 12:14:34\', \'dd-mm-yyyy hh24:mi:ss\'), 8802.52, null, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1074, \'李秋彩\', \'110101197411186020\', \'女\', to_date(\'18-11-1974\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'09-04-2005 01:11:29\', \'dd-mm-yyyy hh24:mi:ss\'), 19315.97, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1075, \'李建玲\', \'110101198110164423\', \'女\', to_date(\'16-10-1981\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 9023.25, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1076, \'张仙\', \'110101530824316   \', \'女\', to_date(\'24-08-1953\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'09-05-2011 11:15:29\', \'dd-mm-yyyy hh24:mi:ss\'), 8654.83, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1077, \'朱金典\', \'110101196810023531\', \'男\', to_date(\'02-10-1968\', \'dd-mm-yyyy\'), \'营销专员\', to_date(\'11-01-2008 11:13:31\', \'dd-mm-yyyy hh24:mi:ss\'), 6687.97, 20, null, 2700.00);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1079, \'孙玉环\', \'110101195006056047\', \'女\', to_date(\'05-06-1950\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'17-11-2008 12:48:12\', \'dd-mm-yyyy hh24:mi:ss\'), 7490.24, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1080, \'邢中景\', \'110101198208284519\', \'男\', to_date(\'28-08-1982\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 24990.57, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1081, \'韩巧真\', \'110101198404190026\', \'女\', to_date(\'19-04-1984\', \'dd-mm-yyyy\'), \'人力资源师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 9880.26, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1084, \'杜巧琴\', \'110101196201036089\', \'女\', to_date(\'03-01-1962\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'13-01-2011 16:11:23\', \'dd-mm-yyyy hh24:mi:ss\'), 21655.36, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1085, \'席妞娃\', \'110101194601154026\', \'女\', to_date(\'15-01-1946\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'15-08-2008 06:36:11\', \'dd-mm-yyyy hh24:mi:ss\'), 24615.12, 20, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1087, \'薛素粉\', \'110101196701044528\', \'女\', to_date(\'04-01-1967\', \'dd-mm-yyyy\'), \'讲师\', to_date(\'10-09-2007 06:07:14\', \'dd-mm-yyyy hh24:mi:ss\'), 12357.56, null, 1008, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1088, \'王雪英\', \'110101193311264521\', \'女\', to_date(\'26-11-1933\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'18-02-2006 23:37:15\', \'dd-mm-yyyy hh24:mi:ss\'), 23670.53, 10, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1089, \'刘秀菊\', \'110101530414306   \', \'女\', to_date(\'14-04-1953\', \'dd-mm-yyyy\'), \'研发\', to_date(\'11-09-2004 18:17:49\', \'dd-mm-yyyy hh24:mi:ss\'), 22608.20, null, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1090, \'刘芳芳\', \'110101198912216025\', \'女\', to_date(\'21-12-1989\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'10-10-2012 00:24:11\', \'dd-mm-yyyy hh24:mi:ss\'), 9749.45, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1091, \'郝方方\', \'110101198605165580\', \'女\', to_date(\'16-05-1986\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 5944.72, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1092, \'赵利萍\', \'110101196712063564\', \'女\', to_date(\'06-12-1967\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'01-08-2006 17:26:08\', \'dd-mm-yyyy hh24:mi:ss\'), 4575.09, 30, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1093, \'杨联星\', \'110101195312284013\', \'男\', to_date(\'28-12-1953\', \'dd-mm-yyyy\'), \'考试专员\', to_date(\'27-10-2009 08:41:47\', \'dd-mm-yyyy hh24:mi:ss\'), 24545.93, 40, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1094, \'冯焕\', \'110101194205093524\', \'女\', to_date(\'09-05-1942\', \'dd-mm-yyyy\'), \'运维工程师\', to_date(\'27-09-2010 18:25:55\', \'dd-mm-yyyy hh24:mi:ss\'), 21391.42, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1096, \'杨晓雨\', \'110101198910070043\', \'女\', to_date(\'07-10-1989\', \'dd-mm-yyyy\'), \'营销专员\', to_date(\'07-08-2013 05:49:14\', \'dd-mm-yyyy hh24:mi:ss\'), 4161.31, 20, null, 2322.00);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1097, \'柴帅友\', \'110101198510254038\', \'男\', to_date(\'25-10-1985\', \'dd-mm-yyyy\'), \'网络营销师\', to_date(\'24-11-2011 16:08:38\', \'dd-mm-yyyy hh24:mi:ss\'), 7805.94, 50, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1098, \'韩国强\', \'110101621016003   \', \'男\', to_date(\'16-10-1962\', \'dd-mm-yyyy\'), \'研发\', to_date(\'01-09-2007 12:30:52\', \'dd-mm-yyyy hh24:mi:ss\'), 13755.87, null, null, null);

insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM)
values (1099, \'王参妮\', \'11010119490831352X\', \'女\', to_date(\'31-08-1949\', \'dd-mm-yyyy\'), \'岗位分析师\', to_date(\'11-10-2005 13:17:18\', \'dd-mm-yyyy hh24:mi:ss\'), 26627.94, 30, null, null);

commit;

表约束
复制代码
--创建表
create table teacher
(
tNo number(4) not null,
tName varchar2(20) not null,
birthday date
);
--查询当前用户下面所有的表
select * from tab;
--查询表中的数据
select * from teacher;
--01.给表中新增两个字段
alter table teacher add(sal number(7,2),wechat varchar2(20));
--02.修改字段的属性
alter table teacher modify(tName varchar2(10));
--03.删除一个字段
alter table teacher drop column wechat;
--04.新增主键
alter table teacher add constraint pk_teacher_tno  primary key(tno);
--05.添加唯一约束
alter  table teacher add constraint uk_teacher_tname unique(tname);
--06.增加一个性别字段
alter table teacher add(sax char(2));
--07.修改字段的名称
alter  table  teacher   rename column sax to sex;
--08.增加sex字段的检查约束
alter table teacher add constraint ck_teacher_sex check(sex in(\'男\',\'女\'));
--09.删除检查约束
alter table teacher drop constraint ck_teacher_sex;
--10.创建外键约束 在student 从表中创建
create  table  student
(
sNo  number(4) not null primary key,
tNum  number(4) not null
)

alter  table  student add constraint fk_teacher_student foreign key(tNum)
references teacher(tNo);
复制代码
 
序列和伪表
--sql  分类
DDL 数据定义语言
  create  alter drop  truncate
DML 数据操作语言
  insert delete update  select
TCL  事务控制语言
  commit rollback 
DCL 数据控制语言
grant revoke

--创建序列
create sequence sq_teacher_tno  --序列的名称
start with 10   --开始的位置
increment by 1   --递增的序列值
maxvalue 9999999999   --设置最大值
--是否循环  cycle  |  nocycle  
--是否保存到内存中   cache| nocache

--查询创建的序列信息
select * from user_sequences;
--查询序列的当前值
select SQ_TEACHER_TNO.Currval from dual;
--查询序列的下个值
select SQ_TEACHER_TNO.nextval from dual;


--使用序列新增数据
insert into teacher(tno,tname)  
values(SQ_TEACHER_TNO.Nextval,\'小黑2\')


--dual确实是一个表,只有一个字段
select * from dual;

select 99*99 from dual;
select sysdate from dual;
select to_char(sysdate,\'yyyy-MM-dd hh:mi:ss\') from dual;

--sql标准 规定！  select 语句中必须要有from ! 就是用dual来
--当作一个伪表！也就是查询的信息不存在任何一个表中的时候！
DML操作
--导入sql  语句
  01.cmd 
  02.sqlplus 用户名/密码
  03.@ sql语句的地址
  
--01.查询老师的姓名和对应导师的姓名   自连接
select t1.tname as 老师姓名,t2.tname as 导师的姓名
from teacher t1,teacher t2
where t1.mgrno=t2.tno
--02. 查询老师姓名，部门名称和部门编号
select tname,dname,dept.deptno
from teacher,dept 
where teacher.deptno=dept.deptno
--03.查询 姓 王 的老师信息  _代表一个字符  %
select * from teacher
where tname like \'王%\'

select * from teacher
where tname like \'王_\'


--04.查询陈老师和王老师的薪水和姓名
select tname,sal from teacher
where tname like \'陈%\' or tname like \'王%\'

--05.给所有姓王的老师 增加薪水
update teacher set sal=sal+20000
where tname like \'王%\'

--06.删除所有的teacher表中的数据  ! 表结构还在
delete  from teacher

--07.删除表！ 包含数据和表结构
drop table dept

--08.回忆外键约束  建立在从表中
alter table teacher add constraint fk_teacher_deptno
foreign key(deptno)
references dept(deptno)

--09.查询女姓老师的编号和姓名
select tno,tname from teacher
where gendar=\'女\'

--10.查询薪水在10K-20k之间的老师编号，姓名  薪水
select tno,tname,sal from teacher
where sal between 10000 and 20000

--11.查询职位是 讲师或者研发的老师姓名  按照薪水的降序排列
select tname,sal,job from teacher
where job in(\'讲师\',\'研发\'<
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