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Categories / Oracle PLSQL / Table Joins
 

3-Way join

SQL> SQL> SQL> create table ord(   2           order_no               integer          primary key   3          ,cust_no                integer   4          ,order_date             date not null   5          ,total_order_price      number(7,2)   6          ,deliver_date           date   7          ,deliver_time           varchar2(7)   8          ,payment_method         varchar2(2)   9          ,emp_no                 number(3,0)  10          ,deliver_name           varchar2(35)  11          ,gift_message           varchar2(100)  12  ); Table created. SQL> SQL> SQL> insert into ord(order_no,cust_no,order_date,total_order_price,deliver_date,deliver_time,payment_method,emp_no,deliver_name,gift_message)   2           values(1,1,'14-Feb-2002', 23.00, '14-Feb-2002', '12 noon', 'CA',1, null, 'Gift for wife'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time ,payment_method ,emp_no,deliver_name ,gift_message )   2           values(2,1,'14-Feb-2003', 510.98, '14-feb-2003', '5 pm', 'NY',7, 'Rose Ted', 'Happy Valentines Day to Mother'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values(3, 2,'14-Feb-2004', 315.99, '14-feb-2004', '3 pm', 'VS',2, 'Ani Forest', 'Happy Valentines Day to Father'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values(4, 2,'14-Feb-1999', 191.95, '14-feb-1999', '2 pm', 'NJ',2, 'O. John', 'Happy Valentines Day'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message    )   2           values(5, 6,'4-mar-2002', 101.95, '5-mar-2002', '2:30 pm', 'MO'   , 2, 'Cora', 'Happy Birthday from John'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values(6, 9,'7-apr-2003', 221.95, '7-apr-2003', '3 pm', 'MA', 2, 'Sake Keith', 'Happy Birthday from Joe' ); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values(7, 9,'20-jun-2004', 315.95, '21-jun-2004', '12 noon', 'BC', 2, 'Jessica Li', 'Happy Birthday from Jessica'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values (8, 12, '31-dec-1999', 135.95, '1-jan-2000', '12 noon', 'DI',      3, 'Larry', 'Happy New Year from Lawrence'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values (9, 12, '26-dec-2003', 715.95, '2-jan-2004', '12 noon', 'SK',7, 'Did', 'Happy Birthday from Nancy' ); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values(10, 4, sysdate-1, 119.95, sysdate+2, '6:30 pm', 'VG',2, 'P. Jing', 'Happy Valentines Day to Jason'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2           values(11, 2, sysdate, 310.00, sysdate+2, '3:30 pm', 'DC',2, 'C. Late', 'Happy Birthday Day to Jack'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message)   2           values(12, 7, sysdate-3, 121.95, sysdate-2, '1:30 pm', 'AC',2, 'W. Last', 'Happy Birthday Day to You'); 1 row created. SQL> insert into ord(order_no  ,cust_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message)   2           values(13, 7, sysdate, 211.95, sysdate-4, '4:30 pm', 'CA',2, 'J. Bond', 'Thanks for hard working'); 1 row created. SQL> SQL> SQL> SQL> create table department(   2          dept_no                 integer      primary key   3         ,dept_name               varchar(20)      not null   4         ,mgr_no                  integer   5  ); Table created. SQL> SQL> insert into department(dept_no, dept_name, mgr_no)values(1, 'Design', 1); 1 row created. SQL> insert into department(dept_no, dept_name, mgr_no)values(2, 'Sales', 1); 1 row created. SQL> insert into department(dept_no, dept_name, mgr_no)values(3, 'Development', 1); 1 row created. SQL> SQL> create table employee(   2           emp_no                 integer         primary key   3          ,lastname               varchar2(20)    not null   4          ,firstname              varchar2(15)    not null   5          ,midinit                varchar2(1)   6          ,street                 varchar2(30)   7          ,city                   varchar2(20)   8          ,state                  varchar2(2)   9          ,zip                    varchar2(5)  10          ,zip_4                  varchar2(4)  11          ,area_code              varchar2(3)  12          ,phone                  varchar2(8)  13          ,salary                 number(3)  14          ,birthdate              date  15          ,hiredate               date  16          ,title                  varchar2(20)  17          ,dept_no                integer  18          ,mgr                    integer  19          ,region                 number  20          ,division               number  21          ,total_sales            number  22  ); Table created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (1,'Anderson','Nancy','N','33 Ave','London','NY','11111','1111','212','234-1111',3.75,'21-mar-1927','1-feb-1947','Sales Manager',2,null,100,10,40000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (2,'Last','First','F','12 Ave','Paris','CA','22222','2222','111','867-2222',7.75,'14-feb-1976','15-mar-1985','Sales Clerk',2,1,100,10,10000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (3,'Wash','Georgia','G','1 Street14','Barton','NJ','33333','3333','214','340-3333',11.50,'2-jul-1977','21-apr-2004','Designer',1,2,100,10,40000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (4,'Bush','Dave','D','56 Street','Island','RI','44444','4444','215','777-4444',21.65,'15-may-1945','2-aug-1975','Designer',1,2,100,10,40000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (5,'Will','Robin','W','56 Street','Island','MA','55555','5555','216','777-5555',24.65,'10-dec-1980','2-aug-2007','Designer',1,5,100,10,40000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (6,'Pete','Mona','M','13 Ave','York','MO','66666','6666','217','111-6666',9,'14-feb-1966','15-mar-1985','Sales Clerk',2,5,100,10,40000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (7,'Roke','John','J','67 Ave','New York','BC','77777','7777','218','122-7777',10.00,'14-jun-1955','15-mar-1975','Accountant',3,2,100,10,40000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2               values (8,'Horry','Tedi','T','1236 Lane','Newton','NY','88888','8888','219','222-8888',13.00,'10-jun-1955','15-aug-1985','Sales Representative',3,2,100,10,50000); 1 row created. SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)   2                values (9,'Bar','Candi','C','400 East Street','Yorken','NY','99999','9999','220','321-9999',12.00,'10-oct-1933','15-jan-1969','Sales Representative',3,5,100,10,35000); 1 row created. SQL> SQL> select * from ord;   ORDER_NO    CUST_NO ORDER_DATE           TOTAL_ORDER_PRICE ---------- ---------- -------------------- ----------------- DELIVER_DATE         DELIVER PA     EMP_NO -------------------- ------- -- ---------- DELIVER_NAME ----------------------------------- GIFT_MESSAGE ------------------------------------------------------------------------          1          1 14-FEB-2002 00:00:00                23 14-FEB-2002 00:00:00 12 noon CA          1 Gift for wife          2          1 14-FEB-2003 00:00:00            510.98 14-FEB-2003 00:00:00 5 pm    NY          7 Rose Ted Happy Valentines Day to Mother          3          2 14-FEB-2004 00:00:00            315.99 14-FEB-2004 00:00:00 3 pm    VS          2 Ani Forest Happy Valentines Day to Father          4          2 14-FEB-1999 00:00:00            191.95 14-FEB-1999 00:00:00 2 pm    NJ          2 O. John Happy Valentines Day          5          6 04-MAR-2002 00:00:00            101.95 05-MAR-2002 00:00:00 2:30 pm MO          2 Cora Happy Birthday from John          6          9 07-APR-2003 00:00:00            221.95 07-APR-2003 00:00:00 3 pm    MA          2 Sake Keith Happy Birthday from Joe          7          9 20-JUN-2004 00:00:00            315.95 21-JUN-2004 00:00:00 12 noon BC          2 Jessica Li Happy Birthday from Jessica          8         12 31-DEC-1999 00:00:00            135.95 01-JAN-2000 00:00:00 12 noon DI          3 Larry Happy New Year from Lawrence          9         12 26-DEC-2003 00:00:00            715.95 02-JAN-2004 00:00:00 12 noon SK          7 Did Happy Birthday from Nancy         10          4 15-JUN-2008 17:39:15            119.95 18-JUN-2008 17:39:15 6:30 pm VG          2 P. Jing Happy Valentines Day to Jason         11          2 16-JUN-2008 17:39:16               310 18-JUN-2008 17:39:16 3:30 pm DC          2 C. Late Happy Birthday Day to Jack         12          7 13-JUN-2008 17:39:17            121.95 14-JUN-2008 17:39:17 1:30 pm AC          2 W. Last Happy Birthday Day to You         13          7 16-JUN-2008 17:39:17            211.95 12-JUN-2008 17:39:17 4:30 pm CA          2 J. Bond Thanks for hard working 13 rows selected. SQL> select * from employee;     EMP_NO LASTNAME             FIRSTNAME       M ---------- -------------------- --------------- - STREET                         CITY                 ST ZIP   ZIP_ ARE ------------------------------ -------------------- -- ----- ---- --- PHONE        SALARY BIRTHDATE            HIREDATE -------- ---------- -------------------- -------------------- TITLE                   DEPT_NO        MGR     REGION   DIVISION -------------------- ---------- ---------- ---------- ---------- TOTAL_SALES -----------          1 Anderson             Nancy           N 33 Ave                         London               NY 11111 1111 212 234-1111          4 21-MAR-1927 00:00:00 01-FEB-1947 00:00:00 Sales Manager                 2                   100         10       40000          2 Last                 First           F 12 Ave                         Paris                CA 22222 2222 111 867-2222          8 14-FEB-1976 00:00:00 15-MAR-1985 00:00:00 Sales Clerk                   2          1        100         10       10000          3 Wash                 Georgia         G 1 Street14                     Barton               NJ 33333 3333 214 340-3333         12 02-JUL-1977 00:00:00 21-APR-2004 00:00:00 Designer                      1          2        100         10       40000          4 Bush                 Dave            D 56 Street                      Island               RI 44444 4444 215 777-4444         22 15-MAY-1945 00:00:00 02-AUG-1975 00:00:00 Designer                      1          2        100         10       40000          5 Will                 Robin           W 56 Street                      Island               MA 55555 5555 216 777-5555         25 10-DEC-1980 00:00:00 02-AUG-2007 00:00:00 Designer                      1          5        100         10       40000          6 Pete                 Mona            M 13 Ave                         York                 MO 66666 6666 217 111-6666          9 14-FEB-1966 00:00:00 15-MAR-1985 00:00:00 Sales Clerk                   2          5        100         10       40000          7 Roke                 John            J 67 Ave                         New York             BC 77777 7777 218 122-7777         10 14-JUN-1955 00:00:00 15-MAR-1975 00:00:00 Accountant                    3          2        100         10       40000          8 Horry                Tedi            T 1236 Lane                      Newton               NY 88888 8888 219 222-8888         13 10-JUN-1955 00:00:00 15-AUG-1985 00:00:00 Sales Representative          3          2        100         10       50000          9 Bar                  Candi           C 400 East Street                Yorken               NY 99999 9999 220 321-9999         12 10-OCT-1933 00:00:00 15-JAN-1969 00:00:00 Sales Representative          3          5        100         10       35000 9 rows selected. SQL> select * from department;    DEPT_NO DEPT_NAME                MGR_NO ---------- -------------------- ----------          1 Design                        1          2 Sales                         1          3 Development                   1 3 rows selected. SQL> SQL> select d.dept_name, e.lastname, o.order_date   2  from department d, employee e, ord o   3  where d.dept_no = e.dept_no   4  and e.emp_no = o.emp_no   5  / DEPT_NAME            LASTNAME             ORDER_DATE -------------------- -------------------- -------------------- Sales                Anderson             14-FEB-2002 00:00:00 Development          Roke                 14-FEB-2003 00:00:00 Sales                Last                 14-FEB-2004 00:00:00 Sales                Last                 14-FEB-1999 00:00:00 Sales                Last                 04-MAR-2002 00:00:00 Sales                Last                 07-APR-2003 00:00:00 Sales                Last                 20-JUN-2004 00:00:00 Design               Wash                 31-DEC-1999 00:00:00 Development          Roke                 26-DEC-2003 00:00:00 Sales                Last                 15-JUN-2008 17:39:15 Sales                Last                 16-JUN-2008 17:39:16 Sales                Last                 13-JUN-2008 17:39:17 Sales                Last                 16-JUN-2008 17:39:17 13 rows selected. SQL> SQL> drop table ord; Table dropped. SQL> drop table employee; Table dropped. SQL> drop table department; Table dropped. SQL> SQL> --