我需要一个 SQL 查询来获取两个句子之间的常用词.例如:
I need a SQL query to get the common words only between two sentences. For example:
句子 1:这个网站很有帮助
Sentence 1: This site is very helpful
句子 2:我需要一个有用的网站
Sentence 2: I need a helpful site
结果应该是:网站有帮助
The result should be: site helpful
另外,如果我需要将句子 1 与表字段记录进行比较以获取包含最常见单词的记录与句子 1,我该怎么办?
Also, if I need to compare sentence 1 to table field records to get the record that contains most common words to sentence 1, what can I do?
推荐答案您的问题标题说的是 MSQL,所以我将您的问题视为 Sql Server 问题.
You question title says MSQL, so I'm taking your question as a Sql Server question.
根据 SQL Server 版本/服务器配置,您需要一个拆分函数,该函数可以在所选的分隔符上拆分字符串.这是一个这样的函数.
Depending on SQL Server version/Server Configuration, you'll need a split function that can split a string on a delimiter of choice. Here's such a function.
CREATE FUNCTION [dbo].[fnSplit](@data NVARCHAR(MAX), @delimiter NVARCHAR(5)) RETURNS @t TABLE (rowNum int IDENTITY(1,1), data NVARCHAR(max), descriptor varchar(255) NULL) AS BEGIN DECLARE @textXML XML; SELECT @textXML = CAST('<d>' + REPLACE(@data, @delimiter, '</d><d>') + '</d>' AS XML); INSERT INTO @t(data) SELECT RTRIM(LTRIM(T.split.value('.', 'nvarchar(max)'))) AS data FROM @textXML.nodes('/d') T(split) RETURN END更多推荐
查询以获取两个字符串之间的常用词
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