study/uTools-Manuals
1
0
Fork 0
mirror of https://github.com/fofolee/uTools-Manuals.git synced 2025-10-10 16:33:23 +08:00
Code Issues Packages Projects Releases Wiki Activity

sql语法高亮

Browse Source
This commit is contained in:
fofolee
2019-05-07 10:15:08 +08:00
parent 6cf279e189
commit 2bf87e1e25
67 changed files with 128 additions and 128 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
docs/sql/MySQL EXTRACT() 函数.html
View File

@@ -1,6 +1,6 @@
<div class="m-bg">
<h1>MySQL EXTRACT() 函数</h1>
<h2>定义和用法</h2> <p>EXTRACT() 函数用于返回日期/时间的单独部分，比如年、月、日、小时、分钟等等。</p> <h3><b>语法</b></h3> <div class="code notranslate"><pre><div> EXTRACT(unit FROM date)</div></pre></div> <p>date 参数是合法的日期表达式。unit 参数可以是下列的值：</p> <table class="reference notranslate">
<h2>定义和用法</h2> <p>EXTRACT() 函数用于返回日期/时间的单独部分，比如年、月、日、小时、分钟等等。</p> <h3><b>语法</b></h3> <div class="code notranslate"><pre><code class="language-sql"><div> EXTRACT(unit FROM date)</div></code></pre></div> <p>date 参数是合法的日期表达式。unit 参数可以是下列的值：</p> <table class="reference notranslate">
<tr><th align="left">Unit 值</th></tr>
<tr><td>MICROSECOND</td></tr>
<tr><td>SECOND</td></tr>
@@ -29,7 +29,7 @@
<tr>
<td>1</td> <td>Jarlsberg Cheese</td> <td>2008-11-11 13:23:44.657</td> </tr>
</table>
<p>下面是 SELECT 语句：</p> <div class="code notranslate"><pre><div> SELECT EXTRACT(YEAR FROM OrderDate) AS OrderYear,<br/> EXTRACT(MONTH FROM OrderDate) AS OrderMonth,<br/> EXTRACT(DAY FROM OrderDate) AS OrderDay,<br/> FROM Orders<br/> WHERE OrderId=1 </div></pre></div> <p>结果如下所示：</p> <table class="reference notranslate">
<p>下面是 SELECT 语句：</p> <div class="code notranslate"><pre><code class="language-sql"><div> SELECT EXTRACT(YEAR FROM OrderDate) AS OrderYear,<br/> EXTRACT(MONTH FROM OrderDate) AS OrderMonth,<br/> EXTRACT(DAY FROM OrderDate) AS OrderDay,<br/> FROM Orders<br/> WHERE OrderId=1 </div></code></pre></div> <p>结果如下所示：</p> <table class="reference notranslate">
<tr>
<th align="left">OrderYear</th> <th align="left">OrderMonth</th> <th align="left">OrderDay</th> </tr>
<tr>