Order by clause-data manipulation language, Database Management System

Assignment Help:

Order by clause

  • By using this rows can be sorted
  • It is used in the last portion of select statement
  • By default it gets ascending order
  • DESC: is used for sorting in descending order
  • Sorting by column Alias
  • Sorting by column which is not in select list is possible

Example:

SELECT EMPNO, ENAME, SAL*12 "ANNUAL" FROM EMP

ORDER BY ANNUAL;

Example:   //Sorting by multiple columns//; ascending order on department number and descending order of salary in each department.

SELECT ENAME, DEPTNO, SAL FROM EMP

ORDER BY DEPTNO, SAL DESC;


Related Discussions:- Order by clause-data manipulation language

Explain strict two-phase locking, Explain Strict Two-Phase locking A tr...

Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact

Illustrate the term- abstracting out common behaviour, Illustrate the term-...

Illustrate the term- Abstracting Out Common Behaviour Inheritance is not every time recognised during analysis phase of development, thus it is necessary to re-evaluate object

What is called an evaluation primitive, What is called an evaluation primit...

What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.

Write short note on events, Write short note on Events Events consist ...

Write short note on Events Events consist of inputs, interrupts, decisions and actions performed by any external device or users. Every event always has a sender and receiver.

Write short note on data models, Write short note on Data models? Data...

Write short note on Data models? Data models: A data model is an abstract model which elaborates how data is represented and accessed. The term data model has two commonly ac

Database security, Ask questiwhat is row indicator in database on #Minimum...

Ask questiwhat is row indicator in database on #Minimum 100 words accepted#

Define views in relational algebra, Views in relational algebra:   1. B...

Views in relational algebra:   1. Basic expression contains either  a) A relation in the database. b) A constant relation. 2.  General expressions are madde out of sma

Alter table command, ALTER TABLE Command : This command is used for variati...

ALTER TABLE Command : This command is used for variation of existing structure of the table in the given situation: When a new column is to be added to the table structure.

What is a cascading update, What is a cascading update? Referential int...

What is a cascading update? Referential integrity constraints needs that foreign key values in one table correspond to primary key values in another. If the value of the primar

What is null, What is NULL? Simply NULL means not in value.

What is NULL? Simply NULL means not in value.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd