SQL Server 的 LIMIT 和 OFFSET 等价物? [英] Equivalent of LIMIT and OFFSET for SQL Server?

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本文介绍了SQL Server 的 LIMIT 和 OFFSET 等价物?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

在 PostgreSQL 中有 LimitOffset 关键字,它们将允许非常容易地对结果集进行分页.

In PostgreSQL there is the Limit and Offset keywords which will allow very easy pagination of result sets.

SQL Server 的等效语法是什么?

What is the equivalent syntax for SQL Server?

推荐答案

LIMIT 的等价物是 SET ROWCOUNT,但如果你想要通用分页,最好写一个查询如下:

The equivalent of LIMIT is SET ROWCOUNT, but if you want generic pagination it's better to write a query like this:

;WITH Results_CTE AS
(
    SELECT
        Col1, Col2, ...,
        ROW_NUMBER() OVER (ORDER BY SortCol1, SortCol2, ...) AS RowNum
    FROM Table
    WHERE <whatever>
)
SELECT *
FROM Results_CTE
WHERE RowNum >= @Offset
AND RowNum < @Offset + @Limit

这里的优点是偏移和限制的参数化,以防您决定更改分页选项(或允许用户这样做).

The advantage here is the parameterization of the offset and limit in case you decide to change your paging options (or allow the user to do so).

注意:@Offset 参数应该为此使用从一开始的索引,而不是正常的从零开始的索引.

Note: the @Offset parameter should use one-based indexing for this rather than the normal zero-based indexing.

这篇关于SQL Server 的 LIMIT 和 OFFSET 等价物?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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