• SQL ORDER BY


    After being learn through all the displaying data syntax. It’s time to learn how to sort data by using ORDER BY.

    Yes it is. ORDER BY clause allows you to sort the records in your result set. This clause can only be used in SELECT statements. The ORDER BY clause sorts the result set based on the columns specified by ASC or DESC value is stated. If not the system assumed the sorting is ascending order.

    Let's see on the syntax:

    SELECT [COLUMN NAME] FROM [TABLE NAME] ORDER BY [COLUMN 1]

    ASC indicates ascending order. (This value is default sorting for SQL syntax)
    DESC indicates descending order.


    EXAMPLE#1 :

    Table GameScores

    PlayerName Department Scores
    Jason IT 3000
    Irene IT 1500
    Jane Marketing 1000
    David Marketing 2500
    Paul HR 2000
    James HR 2000

    let's see some simple sorting from the SQL statement using ORDER BY SQL statement :

    SELECT * FROM GameScores ORDER BY Scores

    Result:

    PlayerName Department Scores
    Jane Marketing 1000
    Irene IT 1500
    Paul HR 2000
    James HR 2000
    David Marketing 2500
    Jason IT 3000

    Result will be the same if the SQL statement write like this :

    SELECT * FROM GameScores ORDER BY Scores ASC


    EXAMPLE#2 :

    let's see the example of sorting by DESC (descending order)
    SQL statement :

    SELECT * FROM GameScores ORDER BY Scores DESC

    Result:

    PlayerName Department Scores
    Jason IT 3000
    David Marketing 2500
    Paul HR 2000
    James HR 2000
    Irene IT 1500
    Jane Marketing 1000
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  • 原文地址:https://www.cnblogs.com/zhoug2020/p/3328324.html
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