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------------吾亦無他,唯手熟爾，謙卑若愚，好學(xué)若饑-------------

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首先提供數(shù)據(jù)庫腳本，供測試使用

create table DEPT (deptno NUMBER(2) not null,dname VARCHAR2(20),loc VARCHAR2(13) );alter table DEPTadd 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) );insert into DEPT (deptno, dname, loc) values (40, '人力部', '北京海淀'); insert into DEPT (deptno, dname, loc) values (30, '產(chǎn)品部', '北京海淀'); insert into DEPT (deptno, dname, loc) values (20, '招生部', '上海虹橋'); insert into DEPT (deptno, dname, loc) values (10, '研究院', '北京海淀'); insert into DEPT (deptno, dname, loc) values (50, '系統(tǒng)部', '北京昌平'); commit;insert into TEACHER (TNO, TNAME, TID, GENDAR, BIRTHDATE, JOB, HIREDATE, SAL, DEPTNO, MGRNO, COMM) values (1002, '趙輝', '110101760609001 ', '男', to_date('09-06-1976', 'dd-mm-yyyy'), '考試專員', 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, '楊利樂', '110101198705256045', '女', to_date('25-05-1987', 'dd-mm-yyyy'), '考試專員', 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, '王益輝', '110101199108154770', '男', to_date('15-08-1991', 'dd-mm-yyyy'), '營銷專員', 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'), '運(yùn)維工程師', 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, '梁改煥', '110101196911206548', '女', to_date('20-11-1969', 'dd-mm-yyyy'), '講師', 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, '馮愛仙', '110101196804021521', '女', to_date('02-04-1968', 'dd-mm-yyyy'), '講師', 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, '秦亞杰', '110101196312163531', '男', to_date('16-12-1963', 'dd-mm-yyyy'), '崗位分析師', 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, '劉浩星', '110101198806283516', '男', to_date('28-06-1988', 'dd-mm-yyyy'), '考試專員', 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, '秦春葉', '110101197103033540', '女', to_date('03-03-1971', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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, '陳水花', '110101192811043026', '女', to_date('04-11-1928', 'dd-mm-yyyy'), '考試專員', 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, '馬付妮', '110101195806133522', '女', to_date('13-06-1958', 'dd-mm-yyyy'), '研發(fā)', 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, '劉得安', '110101195210083518', '男', to_date('08-10-1952', 'dd-mm-yyyy'), '考試專員', 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'), '崗位分析師', 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, '劉志剛', '110101197806164493', '男', to_date('16-06-1978', 'dd-mm-yyyy'), '運(yùn)維工程師', 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'), '網(wǎng)絡(luò)營銷師', 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, '徐麗', '11010119790809354X', '男', to_date('09-08-1979', 'dd-mm-yyyy'), '研發(fā)', 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, '劉志紅', '110101196504284452', '男', to_date('28-04-1965', 'dd-mm-yyyy'), '崗位分析師', 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, '孔鵬飛', '110101198603304014', '男', to_date('30-03-1986', 'dd-mm-yyyy'), '人力資源師', 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'), '網(wǎng)絡(luò)營銷師', 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, '馮愛敏', '110101196907283840', '女', to_date('18-07-1969', 'dd-mm-yyyy'), '營銷專員', 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'), '網(wǎng)絡(luò)營銷師', 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, '牛偉偉', '11010119851120602X', '女', to_date('20-11-1985', 'dd-mm-yyyy'), '崗位分析師', 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'), '網(wǎng)絡(luò)營銷師', 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'), '研發(fā)', 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, '李崗', '110101196505163095', '男', to_date('16-05-1965', 'dd-mm-yyyy'), '崗位分析師', 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, '李軍會', '110101197706152524', '男', to_date('15-06-1977', 'dd-mm-yyyy'), '營銷專員', 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, '孫龍舉', '110101198908306037', '男', to_date('30-08-1989', 'dd-mm-yyyy'), '運(yùn)維工程師', 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, '韓朝旭', '110101199003270513', '男', to_date('27-03-1900', 'dd-mm-yyyy'), '人力資源師', 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, '孫少光', '110101198809274535', '男', to_date('27-09-1988', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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, '鄧香敏', '110101196607163109', '女', to_date('16-07-1966', 'dd-mm-yyyy'), '人力資源師', 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'), '講師', 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, '許雙鴿', '110101781217004 ', '女', to_date('17-12-1978', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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, '張春紅', '110101197806176089', '女', to_date('17-06-1978', 'dd-mm-yyyy'), '運(yùn)維工程師', 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, '盧玉蓮', '110101510606004 ', '女', to_date('06-06-1951', 'dd-mm-yyyy'), '人力資源師', 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, '李軍會', '110101197706152524', '男', to_date('15-06-1977', 'dd-mm-yyyy'), '講師', 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'), '講師', 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, '高大榮', '110101195504073528', '女', to_date('07-04-1955', 'dd-mm-yyyy'), '考試專員', 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'), '講師', 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'), '網(wǎng)絡(luò)營銷師', 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'), '崗位分析師', 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, '李記', '110101194803256012', '男', to_date('25-03-1948', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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, '秦單風(fēng)', '110101198911153625', '女', to_date('15-11-1989', 'dd-mm-yyyy'), '考試專員', 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'), '講師', 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, '張利娟', '110101197901173062', '女', to_date('17-01-1979', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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, '陳向瓊', '11010119871010354X', '男', to_date('10-10-1987', 'dd-mm-yyyy'), '講師', 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, '楊曉磊', '110101199105106079', '男', to_date('10-05-1991', 'dd-mm-yyyy'), '研發(fā)', 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, '黃芳菊', '110101196611133520', '女', to_date('13-11-1966', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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, '李紅勤', '110101197209084047', '女', to_date('08-09-1972', 'dd-mm-yyyy'), '運(yùn)維工程師', 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'), '考試專員', 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, '高發(fā)娃', '110101192905226032', '男', to_date('22-05-1929', 'dd-mm-yyyy'), '運(yùn)維工程師', 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'), '研發(fā)', 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, '趙永剛', '110101197507310014', '男', to_date('31-07-1975', 'dd-mm-yyyy'), '崗位分析師', 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, '馮世偉', '110101198811154532', '男', to_date('15-11-1988', 'dd-mm-yyyy'), '講師', 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, '張延付', '110101197005233514', '男', to_date('23-05-1970', 'dd-mm-yyyy'), '崗位分析師', 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, '陳粉', '110101195801206040', '女', to_date('20-01-1958', 'dd-mm-yyyy'), '營銷專員', 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, '張根祥', '110101194412126513', '男', to_date('12-12-1944', 'dd-mm-yyyy'), '崗位分析師', 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'), '考試專員', 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'), '運(yùn)維工程師', 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, '張仙', '110101530824316 ', '女', to_date('24-08-1953', 'dd-mm-yyyy'), '考試專員', 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'), '營銷專員', 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, '孫玉環(huán)', '110101195006056047', '女', to_date('05-06-1950', 'dd-mm-yyyy'), '考試專員', 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'), '運(yùn)維工程師', 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, '韓巧真', '110101198404190026', '女', to_date('19-04-1984', 'dd-mm-yyyy'), '人力資源師', 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'), '崗位分析師', 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'), '運(yùn)維工程師', 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'), '講師', 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'), '崗位分析師', 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, '劉秀菊', '110101530414306 ', '女', to_date('14-04-1953', 'dd-mm-yyyy'), '研發(fā)', 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, '劉芳芳', '110101198912216025', '女', to_date('21-12-1989', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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'), '運(yùn)維工程師', 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, '趙利萍', '110101196712063564', '女', to_date('06-12-1967', 'dd-mm-yyyy'), '崗位分析師', 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, '楊聯(lián)星', '110101195312284013', '男', to_date('28-12-1953', 'dd-mm-yyyy'), '考試專員', 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, '馮煥', '110101194205093524', '女', to_date('09-05-1942', 'dd-mm-yyyy'), '運(yùn)維工程師', 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, '楊曉雨', '110101198910070043', '女', to_date('07-10-1989', 'dd-mm-yyyy'), '營銷專員', 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, '柴帥友', '110101198510254038', '男', to_date('25-10-1985', 'dd-mm-yyyy'), '網(wǎng)絡(luò)營銷師', 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, '韓國強(qiáng)', '110101621016003 ', '男', to_date('16-10-1962', 'dd-mm-yyyy'), '研發(fā)', 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, '王參妮', '11010119490831352X', '女', to_date('31-08-1949', 'dd-mm-yyyy'), '崗位分析師', to_date('11-10-2005 13:17:18', 'dd-mm-yyyy hh24:mi:ss'), 26627.94, 30, null, null);commit; 數(shù)據(jù)庫腳本

?

本次要講的連接查詢有內(nèi)連接，外連接，自連接

由于全連接性能太差，使用率太低，就略過它

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內(nèi)連接

　　隱式內(nèi)連接

--隱式內(nèi)連接 查詢招生部門所有男老師信息 select tname,dname from teacher t,dept d where t.deptno=d.deptno and d.dname='招生部' and t.gendar='男'

?

　　顯式內(nèi)連接

--顯式內(nèi)連接 查詢招生部門所有男老師信息 select tname,dname from teacher t inner join dept d on t.deptno=d.deptno and d.dname='招生部' and t.gendar='男'

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外連接

　　左外連接，意思是已左面的表為準(zhǔn)，他所有的記錄都要查出右面那張表中所對應(yīng)的記錄

--左外連接 select * from teacher t left join dept d on t.deptno=d.deptno

?

　　右外連接，意思是已右面的表為準(zhǔn)，他所有的記錄都要查出左面那張表中所對應(yīng)的記錄

--右外連接 select * from teacher t right join dept d on t.deptno=d.deptno

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自連接：

--查詢teacher表中老師的導(dǎo)師 select t1.tname as "姓名",t2.tname as "導(dǎo)師姓名" from teacher t1,teacher t2 where t1.mgrno=t2.tno

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轉(zhuǎn)載于:https://www.cnblogs.com/DawnCHENXI/p/9026306.html

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