SQL指南-ORDER BY子句


The ORDER BY 关键字用于排序结果

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Sort the Rows

The ORDER BY 子句用于给行排序

Orders:

Company OrderNumber
Sega 3412
ABC Shop 5678
W3Schools 2312
W3Schools 6798

示例

按字母顺序排列companies:

SELECT Company, OrderNumber FROM Orders
            ORDER BY Company

返回结果:

Company OrderNumber
ABC Shop  5678
Sega 3412
W3Schools 6798
W3Schools 2312

示例

按字母和数字给companies 排序:

SELECT Company, OrderNumber FROM Orders
            ORDER BY Company, OrderNumber

返回结果:

Company OrderNumber
ABC Shop 5678
Sega 3412
W3Schools 2312
W3Schools 6798

示例

按字母反序给companies排序

SELECT Company, OrderNumber FROM Orders
            ORDER BY Company DESC

返回结果:

Company OrderNumber
W3Schools 6798
W3Schools 2312
Sega 3412
ABC Shop 5678

示例

按字母和数字反序给companies排序

SELECT Company, OrderNumber FROM Orders
            ORDER BY Company DESC, OrderNumber ASC

返回结果

Company OrderNumber
W3Schools 2312
W3Schools 6798
Sega 3412
ABC Shop 5678

posted on 2006-04-10 10:19  replace  阅读(2072)  评论(0编辑  收藏  举报

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