A left outer join:the outer join operator appears on the right of the equality operator : Left Outer Join « Table Joins « Oracle PL / SQL

Oracle PL / SQL
1. Aggregate Functions
2. Analytical Functions
3. Char Functions
4. Constraints
5. Conversion Functions
6. Cursor
7. Data Type
8. Date Timezone
9. Hierarchical Query
10. Index
11. Insert Delete Update
12. Large Objects
13. Numeric Math Functions
14. Object Oriented Database
15. PL SQL
16. Regular Expressions
17. Report Column Page
18. Result Set
19. Select Query
20. Sequence
21. SQL Plus
22. Stored Procedure Function
23. Subquery
24. System Packages
25. System Tables Views
26. Table
27. Table Joins
28. Trigger
29. User Previliege
30. View
31. XML
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Oracle PL / SQL » Table Joins » Left Outer Join 
A left outer join:the outer join operator appears on the right of the equality operator
 


SQL> -- create demo table
SQL> create table Employee(
  2    empno              Number(3)  NOT NULL, -- Employee ID
  3    ename              VARCHAR2(10 BYTE),   -- Employee Name
  4    hireDate          DATE,                -- Date Employee Hired
  5    orig_salary        Number(8,2),         -- Orignal Salary
  6    curr_salary        Number(8,2),         -- Current Salary
  7    region             VARCHAR2(BYTE)     -- Region where employeed
  8  )
  9  /

Table created.

SQL>
SQL> create table job(
  2    empno              Number(3)  NOT NULL, -- Employee ID
  3    jobtitle           VARCHAR2(10 BYTE)    -- Employee job title
  4  )
  5  /

Table created.

SQL> -- prepare data for employee table
SQL> insert into Employee(empno,  ename,  hireDate,                       orig_salary, curr_salary, region)
  2                values(122,'Alison',to_date('19960321','YYYYMMDD'), 45000,       48000,       'E')
  3  /

row created.

SQL> insert into Employee(empno,  ename,  hireDate,                       orig_salary, curr_salary, region)
  2                values(123'James',to_date('19781212','YYYYMMDD'), 23000,       32000,       'W')
  3  /

row created.

SQL> insert into Employee(empno,  ename,  hireDate,                       orig_salary, curr_salary, region)
  2                values(104,'Celia',to_date('19821024','YYYYMMDD'), 53000,       58000,        'E')
  3  /

row created.

SQL> insert into Employee(empno,  ename,  hireDate,                       orig_salary, curr_salary, region)
  2                values(105,'Robert',to_date('19840115','YYYYMMDD'), 31000,      36000,        'W')
  3  /

row created.

SQL> insert into Employee(empno,  ename,  hireDate,                       orig_salary, curr_salary, region)
  2                values(116,'Linda', to_date('19870730','YYYYMMDD'), 43000,       53000,       'E')
  3  /

row created.

SQL> insert into Employee(empno,  ename,  hireDate,                       orig_salary, curr_salary, region)
  2                values(117,'David', to_date('19901231','YYYYMMDD'), 78000,       85000,       'W')
  3  /

row created.

SQL> insert into Employee(empno,  ename,  hireDate,                       orig_salary, curr_salary, region)
  2                values(108,'Jode',  to_date('19960917','YYYYMMDD'), 21000,       29000,       'E')
  3  /

row created.

SQL>
SQL> -- prepare data for job table
SQL>
SQL> insert into job(empno, jobtitle)
  2           values(101,   'Painter');

row created.

SQL>
SQL> insert into job(empno, jobtitle)
  2           values(122,   'Tester');

row created.

SQL>
SQL> insert into job(empno, jobtitle)
  2           values(123,   'Dediator');

row created.

SQL>
SQL> insert into job(empno, jobtitle)
  2           values(104,   'Chemist');

row created.

SQL>
SQL> insert into job(empno, jobtitle)
  2           values(105,   'Accountant');

row created.

SQL>
SQL> insert into job(empno, jobtitle)
  2           values(116,   'Manager');

row created.

SQL>
SQL> insert into job(empno, jobtitle)
  2           values(117,   'Programmer');

row created.

SQL>
SQL> insert into job(empno, jobtitle)
  2           values(108,   'Developer');

row created.

SQL>
SQL>
SQL> -- display data in the table
SQL> select from Employee
  2  /

     EMPNO ENAME      HIREDATE  ORIG_SALARY CURR_SALARY R
---------- ---------- --------- ----------- ----------- -
       122 Alison     21-MAR-96       45000       48000 E
       123 James      12-DEC-78       23000       32000 W
       104 Celia      24-OCT-82       53000       58000 E
       105 Robert     15-JAN-84       31000       36000 W
       116 Linda      30-JUL-87       43000       53000 E
       117 David      31-DEC-90       78000       85000 W
       108 Jode       17-SEP-96       21000       29000 E

rows selected.

SQL>
SQL> select from job;

     EMPNO JOBTITLE
---------- ----------
       101 Painter
       122 Tester
       123 Dediator
       104 Chemist
       105 Accountant
       116 Manager
       117 Programmer
       108 Developer

rows selected.

SQL>
SQL>
SQL>
SQL>
SQL> -- A left outer join:the outer join operator appears on the right of the equality operator:
SQL>
SQL> SELECT e.ename, j.jobtitle
  2  FROM employee e, job j
  3  WHERE e.empno  = j.empno(+;

ENAME      JOBTITLE
---------- ----------
Alison     Tester
James      Dediator
Celia      Chemist
Robert     Accountant
Linda      Manager
David      Programmer
Jode       Developer

rows selected.

SQL>
SQL>
SQL>
SQL> drop table job;

Table dropped.

SQL>
SQL> -- clean the table
SQL> drop table Employee
  2  /

Table dropped.

SQL>
SQL>
           
         
  
Related examples in the same category
1. left outer join between employee table and department table
2. Left outer join demo
3. LEFT OUTER JOIN tableName ON joined columns
4. LEFT OUTER JOIN vs RIGHT OUTER JOIN
5. Left join with plus sign
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.