Order by clause-data manipulation language, Database Management System

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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;


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