col columnName new_value BLAH : Column Names « Select Query « 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 » Select Query » Column Names 
col columnName new_value BLAH
   
SQL> create table emp
  2  empno      NUMBER(4)    constraint E_PK primary key
  3  , ename      VARCHAR2(8)
  4  , init       VARCHAR2(5)
  5  , job        VARCHAR2(8)
  6  , mgr        NUMBER(4)
  7  , bdate      DATE
  8  , sal        NUMBER(6,2)
  9  , comm       NUMBER(6,2)
 10  , deptno     NUMBER(2)    default 10
 11  ;

Table created.

SQL> insert into emp values(1,'Tom','N',   'TRAINER', 13,date '1965-12-17',  800 , NULL,  20);

row created.

SQL> insert into emp values(2,'Jack','JAM', 'Tester',6,date '1961-02-20',  1600300,   30);

row created.

SQL> insert into emp values(3,'Wil','TF' ,  'Tester',6,date '1962-02-22',  1250500,   30);

row created.

SQL> insert into emp values(4,'Jane','JM',  'Designer', 9,date '1967-04-02',  2975, NULL,  20);

row created.

SQL> insert into emp values(5,'Mary','P',  'Tester',6,date '1956-09-28',  12501400,  30);

row created.

SQL> insert into emp values(6,'Black','R',   'Designer', 9,date '1963-11-01',  2850, NULL,  30);

row created.

SQL> insert into emp values(7,'Chris','AB',  'Designer', 9,date '1965-06-09',  2450, NULL,  10);

row created.

SQL> insert into emp values(8,'Smart','SCJ', 'TRAINER', 4,date '1959-11-26',  3000, NULL,  20);

row created.

SQL> insert into emp values(9,'Peter','CC',   'Designer',NULL,date '1952-11-17',  5000, NULL,  10);

row created.

SQL> insert into emp values(10,'Take','JJ', 'Tester',6,date '1968-09-28',  15000,     30);

row created.

SQL> insert into emp values(11,'Ana','AA',  'TRAINER', 8,date '1966-12-30',  1100, NULL,  20);

row created.

SQL> insert into emp values(12,'Jane','R',   'Manager',   6,date '1969-12-03',  800 , NULL,  30);

row created.

SQL> insert into emp values(13,'Fake','MG',   'TRAINER', 4,date '1959-02-13',  3000, NULL,  20);

row created.

SQL> insert into emp values(14,'Mike','TJA','Manager',   7,date '1962-01-23',  1300, NULL,  10);

row created.

SQL>
SQL>
SQL> col empno new_value BLAH
SQL>
SQL> select empno, ename, bdate
  2  ,      sal         as salary
  3  ,      comm         as commission
  4  from   emp;
Enter...

                                           month
 EMPNO        lname         BDATE         salary COMMISSION
------ -------------------- ---------- --------- ----------
     Tom                  17-12-1965   $800.00  [N/A]
     Jack                 20-02-1961  $1600.00    $300.00
     Wil                  22-02-1962  $1250.00    $500.00
     Jane                 02-04-1967  $2975.00  [N/A]
     Mary                 28-09-1956  $1250.00   $1400.00
     Black                01-11-1963  $2850.00  [N/A]
     Chris                09-06-1965  $2450.00  [N/A]
     Smart                26-11-1959  $3000.00  [N/A]
     Peter                17-11-1952  $5000.00  [N/A]
    10 Take                 28-09-1968  $1500.00       $.00
    11 Ana                  30-12-1966  $1100.00  [N/A]
    12 Jane                 03-12-1969   $800.00  [N/A]
    13 Fake                 13-02-1959  $3000.00  [N/A]
    14 Mike                 23-01-1962  $1300.00  [N/A]

14 rows selected.

SQL> def BLAH
DEFINE BLAH            =     14 (NUMBER)
SQL>
SQL> select empno, ename, bdate
  2  ,      sal         as salary
  3  ,      comm         as commission
  4  from   emp
  5  where  deptno = 30;
Enter...

                                           month
 EMPNO        lname         BDATE         salary COMMISSION
------ -------------------- ---------- --------- ----------
     Jack                 20-02-1961  $1600.00    $300.00
     Wil                  22-02-1962  $1250.00    $500.00
     Mary                 28-09-1956  $1250.00   $1400.00
     Black                01-11-1963  $2850.00  [N/A]
    10 Take                 28-09-1968  $1500.00       $.00
    12 Jane                 03-12-1969   $800.00  [N/A]

rows selected.

SQL> def    BLAH
DEFINE BLAH            =     12 (NUMBER)
SQL> undef  BLAH
SQL>
SQL>
SQL> drop table emp;

Table dropped.

SQL>

   
    
    
  
Related examples in the same category
1. Insert string text between column names
2. Column Renaming
3. Column renaming for function
4. Combined columns and renaming
5. Use table name to reference column name
6. Use table name to reference the ambiguity column names
7. Reference column name from renamed table name
8. Reference column without table name during table join
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.