SQLite Order By

SQLite Order BySQLite 的 ORDER BY 子句是用来基于一个或多个列按升序或降序顺序排列数据。语法ORDER BY 子句的基本语法如下：SELECT column-list FROM table_name [WHERE condition] [ORDER BY column1, column2, .. columnN] [ASC | DESC];您可以在 ORDER BY 子句中使用多个列。确保您使用的排序列在列清单中。实例假设 COMPANY 表有以下记录：ID NAME AGE ADDRESS SALARY---------- ---------- ---------- ---------- ----------1 Paul 32 California 20000.02 Allen 25 Texas 15000.03 Teddy 23 Norway 20000.04 Mark 25 Rich-Mond 65000.05 David 27 Texas 85000.06 Kim 22 South-Hall 45000.07 James 24 Houston 10000.0下面是一个实例，它会将结果按 SALARY 升序排序：sqlite> SELECT * FROM COMPANY ORDER BY SALARY ASC;这将产生以下结果：ID NAME AGE ADDRESS SALARY---------- ---------- ---------- ---------- ----------7 James 24 Houston 10000.02 Allen 25 Texas 15000.01 Paul 32 California 20000.03 Teddy 23 Norway 20000.06 Kim 22 South-Hall 45000.04 Mark 25 Rich-Mond 65000.05 David 27 Texas 85000.0下面是一个实例，它会将结果按 NAME 和 SALARY 升序排序：sqlite> SELECT * FROM COMPANY ORDER BY NAME, SALARY ASC;这将产生以下结果：ID NAME AGE ADDRESS SALARY---------- ---------- ---------- ---------- ----------2 Allen 25 Texas 15000.05 David 27 Texas 85000.07 James 24 Houston 10000.06 Kim 22 South-Hall 45000.04 Mark 25 Rich-Mond 65000.01 Paul 32 California 20000.03 Teddy 23 Norway 20000.0下面是一个实例，它会将结果按 NAME 降序排序：sqlite> SELECT * FROM COMPANY ORDER BY NAME DESC;这将产生以下结果：ID NAME AGE ADDRESS SALARY---------- ---------- ---------- ---------- ----------3 Teddy 23 Norway 20000.01 Paul 32 California 20000.04 Mark 25 Rich-Mond 65000.06 Kim 22 South-Hall 45000.07 James 24 Houston 10000.05 David 27 Texas 85000.02 Allen 25 Texas 15000.0