Reference alias name in order by clause : Order By « Query Select « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial
1. Introduction
2. Query Select
3. Set
4. Insert Update Delete
5. Sequences
6. Table
7. Table Joins
8. View
9. Index
10. SQL Data Types
11. Character String Functions
12. Aggregate Functions
13. Date Timestamp Functions
14. Numerical Math Functions
15. Conversion Functions
16. Analytical Functions
17. Miscellaneous Functions
18. Regular Expressions Functions
19. Statistical Functions
20. Linear Regression Functions
21. PL SQL Data Types
22. PL SQL Statements
23. PL SQL Operators
24. PL SQL Programming
25. Cursor
26. Collections
27. Function Procedure Packages
28. Trigger
29. SQL PLUS Session Environment
30. System Tables Data Dictionary
31. System Packages
32. Object Oriented
33. XML
34. Large Objects
35. Transaction
36. User Privilege
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
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 Tutorial » Query Select » Order By 
2. 4. 6. Reference alias name in order by clause
SQL>
SQL>
SQL> CREATE TABLE employees (
  2    au_id    CHAR(3)     NOT NULL,
  3    au_fname VARCHAR(15NOT NULL,
  4    au_lname VARCHAR(15NOT NULL,
  5    phone    VARCHAR(12NULL    ,
  6    address  VARCHAR(20NULL    ,
  7    city     VARCHAR(15NULL    ,
  8    state    CHAR(2)     NULL    ,
  9    zip      CHAR(5)     NULL
 10  );

Table created.

SQL>
SQL> INSERT INTO employees VALUES('A01','S','B','111-111-1111','75 St','Boston','NY','11111');

row created.

SQL> INSERT INTO employees VALUES('A02','W','H','222-222-2222','2922 Rd','Boston','CO','22222');

row created.

SQL> INSERT INTO employees VALUES('A03','H','H','333-333-3333','3800 Ave, #14F','San Francisco','CA','33333');

row created.

SQL> INSERT INTO employees VALUES('A04','K','H','444-444-4444','3800 Ave, #14F','San Francisco','CA','44444');

row created.

SQL> INSERT INTO employees VALUES('A05','C','K','555-555-5555','114 St','New York','NY','55555');

row created.

SQL> INSERT INTO employees VALUES('A06',' ','K','666-666-666','390 Mall','Palo Alto','CA','66666');

row created.

SQL> INSERT INTO employees VALUES('A07','P','O','777-777-7777','1442 St','Sarasota','FL','77777');

row created.

SQL>
SQL>
SQL>
SQL> SELECT au_fname AS "First name",
  2         au_lname AS "Last name",
  3         state
  4    FROM employees
  5    ORDER BY state        ASC,
  6             "Last name"  ASC,
  7             "First name" ASC;

First name      Last name       ST
--------------- --------------- --
H               H               CA
K               H               CA
                K               CA
W               H               CO
P               O               FL
S               B               NY
C               K               NY

rows selected.

SQL>
SQL>
SQL> drop table employees;

Table dropped.
2. 4. Order By
2. 4. 1. Sorting Rows Using the ORDER BY Clause
2. 4. 2. Sort last name ascending
2. 4. 3. Sort last name descending
2. 4. 4. Sort one column ascending and another column descending
2. 4. 5. Sort by index ascending and descending
2. 4. 6. Reference alias name in order by clause
2. 4. 7. Order by a calculated column
2. 4. 8. Sort the rows by descending order with DESC appended to order by clause
2. 4. 9. Sort two columns with different ordering
2. 4. 10. Use a column position number in the ORDER BY clause
2. 4. 11. A SELECT with Ordering
2. 4. 12. Order the table on the employee's original salary (orig_salary)
2. 4. 13. Order by two columns
2. 4. 14. Add aggregate function in order by clause
2. 4. 15. Order by username
2. 4. 16. Combine order by clause with case statement
2. 4. 17. Order Your Email
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.