blocks|key|3515239|text|SELECT+Name+FROM+Table+Where+MONTH(datetime)+=+1;|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|3515240|1=一月。|unstyled|3515241|http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_month|offset|length|3515242|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|2A|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|S|8|@]|9|@]|A|$]]|$1|G|3|H|5|F|7|T|8|@]|9|@$I|U|J|V|1|W]]|A|$]]|$1|K|3|-4|5|F|7|X|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|H]]]]

<pre><code>SELECT Name FROM Table Where MONTH(datetime) = 1;
</code></pre>

1 = January.

<a href="http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_month" rel="nofollow noreferrer">http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_month</a>

blocks|key|1320131|text|您可以提取DueDate的MONTH()和YEAR()。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1320132|entityMap|0|LINK|mutability|MUTABLE|url|http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_month|1|http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_year^0|D|7|L|6|D|7|0|L|6|1|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]|$9|S|A|T|B|C]]|D|@$9|U|A|V|1|W]|$9|X|A|Y|1|Z]]|E|$]]|$1|F|3|-4|5|6|7|10|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]|N|$5|I|J|K|E|$L|O]]]]

You can extract the <a href="http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_month" rel="nofollow noreferrer"><code>MONTH()</code></a> and <a href="http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_year" rel="nofollow noreferrer"><code>YEAR()</code></a> for your DueDate.

blocks|key|572561|text|SELECT+*+WHERE+MONTH(DueDate)+=+'5'+AND+YEAR(DueDate)+=+'1987';|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|572562|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>SELECT * WHERE MONTH(DueDate) = '5' AND YEAR(DueDate) = '1987';
</code></pre>

blocks|key|2107833|text|只需使用MONTH()和YEAR()|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2107834|SELECT+*+FROM+Project+WHERE+MONTH(DueDate)+=+1+AND+YEAR(DueDate)+=+2010|code-block|syntax|javascript|2107835|entityMap|0|LINK|mutability|MUTABLE|url|http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_month|1|http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_year^0|4|7|0|C|6|1|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]|$A|W|B|X|1|Y]]|C|$]]|$1|D|3|E|5|F|7|Z|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|10|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]|Q|$5|L|M|N|C|$O|R]]]]

Simply use <a href="http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_month" rel="noreferrer">MONTH()</a> and <a href="http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_year" rel="noreferrer">YEAR()</a>:

<pre><code>SELECT * FROM Project WHERE MONTH(DueDate) = 1 AND YEAR(DueDate) = 2010
</code></pre>

blocks|key|2107844|text|您可以使用between语句：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2107845|select+*+from+Project+
++where+DueDate+between+'2010-01-01'+and+'2010-02-01'|code-block|syntax|javascript|2107846|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

You could use a between statement: 

<pre><code>select * from Project 
 where DueDate between '2010-01-01' and '2010-02-01'
</code></pre>

blocks|key|3515305|text|选择本年度的具体月份|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3515306|SELECT+*+FROM+Project+WHERE+MONTH(DueDate)+=+1+AND+YEAR(DueDate)+=+YEAR(NOW())|code-block|syntax|javascript|3515307|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

it will select current year's specific month

<pre><code>SELECT * FROM Project WHERE MONTH(DueDate) = 1 AND YEAR(DueDate) = YEAR(NOW())
</code></pre>

blocks|key|3515331|text|请勿将此处推荐的解决方案与MONTH()和YEAR()一起使用。它阻止MySQL在列DueDate上使用索引，并强制MySQL检查表中的所有行。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3515332|相反，请使用BETWEEN子句，如下所示：|3515333|SELECT+*+FROM+Project+
WHERE+DueDate+BETWEEN+'2010-01-01'+AND+'2010-02-01'|code-block|syntax|javascript|3515334|或者使用IN子句的另一个解决方案：|3515335|SELECT+*+FROM+Project+
WHERE+DueDate+IN+('2010-01-01',+'2010-01-02',+'2010-01-03',+...,+'2010-01-31')|3515336|这两种解决方案允许MySQL使用索引，因此性能会更好。|3515337|entityMap^0|D|7|L|6|16|7|0|6|7|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|11|8|@$9|12|A|13|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|14|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|15|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|16|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|17|8|@]|D|@]|E|$]]|$1|S|3|-4|5|6|7|18|8|@]|D|@]|E|$]]]|T|$]]

Do not use this here recommended solution with <code>MONTH()</code> and <code>YEAR()</code>. It prevents MySQL to use index on column <code>DueDate</code> if you have one and it forces MySQL to examine all rows in table.

Instead, use <code>BETWEEN</code> clause like this:

<pre><code>SELECT * FROM Project 
WHERE DueDate BETWEEN '2010-01-01' AND '2010-02-01'
</code></pre>

Or another solution with IN clause:

<pre><code>SELECT * FROM Project 
WHERE DueDate IN ('2010-01-01', '2010-01-02', '2010-01-03', ..., '2010-01-31')
</code></pre>

This two solutions allows MySQL to use index, so performance will be better.

blocks|key|572609|text|如果您输入月份格式"Y-m“，您可以使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|572610|SELECT+*+FROM+Project+WHERE+DATE_FORMAT(DueDate,"%25Y-%25m")+=+'2010-01'|offset|length|style|CODE|572611|entityMap^0|0|0|1W|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

If you input month format "Y-m" you can use:

<code>SELECT * FROM Project WHERE DATE_FORMAT(DueDate,"%Y-%m") = '2010-01'</code>

blocks|key|572621|text|SELECT+*+FROM+TABLE+WHERE+DueDate+LIKE+'2020-01%25';|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|572622|如果您可以将日期数据子串，请使用。|unstyled|572623|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>SELECT * FROM TABLE WHERE DueDate LIKE '2020-01%';
</code></pre>

use in case you can substring your date data.

How can I get records from my table using month/year? I have a table like this:

<pre><code>Name - varchar
DueDate -datetime
Status -boll
</code></pre>

<code>DueDate</code> is project due date, I want record corresponding to month/year, not full date, I mean record for specific month.

How can I do this in mysql?

Select by Month of a field

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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如何使用月/年从我的表中获取记录？我有一张这样的桌子：Name - varcharDueDate -datetimeStatus -bollDueDate是项目到期日，我希望记录对应于月/年，而不是完整日期，我是指特定月份的记录。我如何在mysql中做到这一点？

问按字段月份选择
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