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Oracle Tutorials - Query Output Sorted by Multiple Columns

By: FYIcenter.com

(Continued from previous topic...)

Can the Query Output Be Sorted by Multiple Columns?

You can specifying multiple columns in the ORDER BY clause as shown in the following example statement, which returns employees' salaries sorted by department and salary value:

SQL> SELECT department_id, first_name, last_name, salary 
  FROM employees ORDER BY department_id, salary;
DEPARTMENT_ID FIRST_NAME      LAST_NAME           SALARY
------------- --------------- --------------- ----------
           10 Jennifer        Whalen                4400
           20 Pat             Fay                   6000
           20 Michael         Hartstein            13000
           30 Karen           Colmenares            2500
           30 Guy             Himuro                2600
           30 Sigal           Tobias                2800
           30 Shelli          Baida                 2900
           30 Alexander       Khoo                  3100
           30 Den             Raphaely             11000
           40 Susan           Mavris                6500
           50 TJ              Olson                 2100
......

(Continued on next topic...)

  1. What Is a SELECT Query Statement?
  2. How To Select All Columns of All Rows from a Table?
  3. How To Select Some Columns from a Table?
  4. How To Select Some Rows from a Table?
  5. How To Sort the Query Output?
  6. Can the Query Output Be Sorted by Multiple Columns?
  7. How To Sort Query Output in Descending Order?
  8. How To Use SELECT Statement to Count the Number of Rows?
  9. Can SELECT Statements Be Used on Views?
  10. How To Filter Out Duplications in Returning Rows?
  11. What Are Group Functions?
  12. How To Use Group Functions in the SELECT Clause?
  13. Can Group Functions Be Mixed with Non-group Selection Fields?
  14. How To Divide Query Output into Groups?
  15. How To Apply Filtering Criteria at Group Level?
  16. How To Count Duplicated Values in a Column?
  17. Can Multiple Columns Be Used in GROUP BY?
  18. Can Group Functions Be Used in the ORDER BY Clause?
  19. How To Join Two Tables in a Single Query?
  20. How To Write a Query with an Inner Join?
  21. How To Define and Use Table Alias Names?
  22. How To Write a Query with a Left Outer Join?
  23. How To Write a Query with a Right Outer Join?
  24. How To Write a Query with a Full Outer Join?
  25. How To Write an Inner Join with the WHERE Clause?
  26. How To Write a Left Outer Join with the WHERE Clause?
  27. How To Name Query Output Columns?
  28. What Is a Subquery?
  29. How To Use Subqueries with the IN Operator?
  30. How To Use Subqueries with the EXISTS Operator?
  31. How To Use Subqueries in the FROM Clause?
  32. How To Count Groups Returned with the GROUP BY Clause?
  33. How To Return Top 5 Rows?

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