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SQLite Order By

SQLite的ORDER BY子句是用來基於一個或多個列按升序或降序順序排列數據。

語法

ORDER BY 子句的基本語法如下:

SELECT column-list 
FROM table_name 
[WHERE condition] 
[ORDER BY column1, column2, .. columnN] [ASC | DESC];

您可以在ORDER BY 子句中使用多個列。 確保您使用的排序列在列清單中。

實例

假設COMPANY 表有以下記錄:

ID NAME AGE ADDRESS SALARY
---------- ---------- ---------- ---------- ----------
1 Paul 32 California 20000.0
2 Allen 25 Texas 15000.0
3 Teddy 23 Norway 20000.0
4 Mark 25 Rich-Mond 65000.0
5 David 27 Texas 85000.0
6 Kim 22 South-Hall 45000.0
7 James 24 Houston 10000.0

下面是一個實例,它會將結果按SALARY 升序排序:

sqlite> SELECT * FROM COMPANY ORDER BY SALARY ASC;

這將產生以下結果:

ID NAME AGE ADDRESS SALARY
---------- ---------- ---------- ---------- ----------
7 James 24 Houston 10000.0
2 Allen 25 Texas 15000.0
1 Paul 32 California 20000.0
3 Teddy 23 Norway 20000.0
6 Kim 22 South-Hall 45000.0
4 Mark 25 Rich-Mond 65000.0
5 David 27 Texas 85000.0

下面是一個實例,它會將結果按NAME 和SALARY 升序排序:

sqlite> SELECT * FROM COMPANY ORDER BY NAME, SALARY ASC;

這將產生以下結果:

ID NAME AGE ADDRESS SALARY
---------- ---------- ---------- ---------- ----------
2 Allen 25 Texas 15000.0
5 David 27 Texas 85000.0
7 James 24 Houston 10000.0
6 Kim 22 South-Hall 45000.0
4 Mark 25 Rich-Mond 65000.0
1 Paul 32 California 20000.0
3 Teddy 23 Norway 20000.0

下面是一個實例,它會將結果按NAME 降序排序:

sqlite> SELECT * FROM COMPANY ORDER BY NAME DESC;

這將產生以下結果:

ID NAME AGE ADDRESS SALARY
---------- ---------- ---------- ---------- ----------
3 Teddy 23 Norway 20000.0
1 Paul 32 California 20000.0
4 Mark 25 Rich-Mond 65000.0
6 Kim 22 South-Hall 45000.0
7 James 24 Houston 10000.0
5 David 27 Texas 85000.0
2 Allen 25 Texas 15000.0