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    <h1><a href="http://wbowam.github.io/mysqlyu-ju-ru-men-1.html"> Mysql语句入门（1）  </a></h1>
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            <h3 id="_1">进入退出<a class="headerlink" href="#_1" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span class="n">mysql</span> <span class="o">-</span><span class="n">u</span> <span class="n">root</span> <span class="o">-</span><span class="n">p</span>
<span class="n">Enter</span> <span class="n">password</span><span class="o">:</span>

<span class="n">mysql</span><span class="o">&gt;</span> <span class="n">quit</span>
</pre></div>


<h3 id="_2">创建数据库<a class="headerlink" href="#_2" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span class="n">mysql</span><span class="o">&gt;</span> <span class="n">CREATE</span> <span class="n">DATABASE</span> <span class="n">tulpar_db</span> <span class="n">CHARACTER</span> <span class="n">SET</span> <span class="n">utf8</span> <span class="n">COLLATE</span> <span class="n">utf8_general_ci</span><span class="p">;</span>


<span class="n">mysql</span><span class="o">&gt;</span> <span class="n">GRANT</span> <span class="n">ALL</span> <span class="n">ON</span> <span class="n">tulpar_db</span><span class="p">.</span><span class="o">*</span> <span class="n">TO</span> <span class="err">&#39;</span><span class="n">tulpar</span><span class="sc">&#39;@&#39;</span><span class="n">localhost</span><span class="err">&#39;</span> <span class="n">IDENTIFIED</span> <span class="n">BY</span> <span class="err">&#39;</span><span class="n">mypassword</span><span class="err">&#39;</span><span class="p">;</span>
</pre></div>


<h3 id="_3">导入数据库<a class="headerlink" href="#_3" title="Permanent link">&para;</a></h3>
<h5 id="source">常用source 命令<a class="headerlink" href="#source" title="Permanent link">&para;</a></h5>
<div class="highlight"><pre><span class="n">mysql</span><span class="o">&gt;</span><span class="n">use</span> <span class="n">tulpar_db</span>
<span class="n">mysql</span><span class="o">&gt;</span><span class="n">source</span> <span class="p">..</span><span class="o">/</span><span class="n">wcnc_db</span><span class="p">.</span><span class="n">sql</span>
</pre></div>


<h3 id="_4">导出整个数据库<a class="headerlink" href="#_4" title="Permanent link">&para;</a></h3>
<p>mysqldump -u 用户名 -p 数据库名 &gt; 导出的文件名</p>
<div class="highlight"><pre><span class="n">mysqldump</span> <span class="o">-</span><span class="n">u</span> <span class="n">tulpar</span> <span class="o">-</span><span class="n">p</span> <span class="n">tulpar_db</span> <span class="o">&gt;</span> <span class="n">tulpar_db</span><span class="p">.</span><span class="n">sql</span>
</pre></div>


<h3 id="_5">删除数据库<a class="headerlink" href="#_5" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span class="nx">show</span> <span class="nx">databases</span><span class="p">;</span>
<span class="nx">DROP</span> <span class="nx">DATABASE</span> <span class="o">&lt;</span><span class="nb">databasename</span><span class="o">&gt;</span><span class="p">;</span>
</pre></div>


<h3 id="_6">删除数据表<a class="headerlink" href="#_6" title="Permanent link">&para;</a></h3>
<div class="highlight"><pre><span class="nx">use</span> <span class="nx">tulpar_db</span><span class="p">;</span>
<span class="nx">show</span> <span class="nb">tables</span><span class="p">;</span>
<span class="nx">DROP</span> <span class="nb">TABLE</span> <span class="o">&lt;</span><span class="nb">tablename</span><span class="o">&gt;</span><span class="p">;</span>
</pre></div>


<h3 id="ubuntumysql">Ubuntu中配置Mysql编码<a class="headerlink" href="#ubuntumysql" title="Permanent link">&para;</a></h3>
<h5 id="_7">找到配置文件<a class="headerlink" href="#_7" title="Permanent link">&para;</a></h5>
<p>我是通过<code>sudo apt-get install mysql</code>来安装的。mysql的配置文件在/etc/mysql/my.cnf
如果找不到这个文件，可以运行<code>sudo find / -iname ‘*.cnf’</code>查找所有的cnf文件</p>
<h5 id="_8">改配置文件<a class="headerlink" href="#_8" title="Permanent link">&para;</a></h5>
<p>在[mysqld]下添加
<code>default-character-set=utf8</code>
在[client]下添加
<code>default-character-set=utf8</code></p>
<h5 id="mysql">重启mysql<a class="headerlink" href="#mysql" title="Permanent link">&para;</a></h5>
<p><code>sudo service mysql restart</code></p>
<h5 id="mysql_1">登录mysql查看是否成功<a class="headerlink" href="#mysql_1" title="Permanent link">&para;</a></h5>
<div class="highlight"><pre><span class="n">mysql</span> <span class="o">-</span><span class="n">u</span> <span class="n">root</span>

<span class="n">mysql</span><span class="o">&gt;</span> <span class="n">SHOW</span> <span class="n">VARIABLES</span> <span class="n">LIKE</span> <span class="err">&#39;</span><span class="kt">char</span><span class="o">%</span><span class="err">&#39;</span><span class="p">;</span>
<span class="o">+--------------------------+----------------------------+</span>
<span class="o">|</span> <span class="n">Variable_name</span>            <span class="o">|</span> <span class="n">VALUE</span>                      <span class="o">|</span>
<span class="o">+--------------------------+----------------------------+</span>
<span class="o">|</span> <span class="n">character_set_client</span>     <span class="o">|</span> <span class="n">utf8</span>                       <span class="o">|</span>
<span class="o">|</span> <span class="n">character_set_connection</span> <span class="o">|</span> <span class="n">utf8</span>                       <span class="o">|</span>
<span class="o">|</span> <span class="n">character_set_database</span>   <span class="o">|</span> <span class="n">utf8</span>                       <span class="o">|</span>
<span class="o">|</span> <span class="n">character_set_filesystem</span> <span class="o">|</span> <span class="n">BINARY</span>                     <span class="o">|</span>
<span class="o">|</span> <span class="n">character_set_results</span>    <span class="o">|</span> <span class="n">utf8</span>                       <span class="o">|</span>
<span class="o">|</span> <span class="n">character_set_server</span>     <span class="o">|</span> <span class="n">utf8</span>                       <span class="o">|</span>
<span class="o">|</span> <span class="n">character_set_system</span>     <span class="o">|</span> <span class="n">utf8</span>                       <span class="o">|</span>
<span class="o">|</span> <span class="n">character_sets_dir</span>       <span class="o">|</span> <span class="o">/</span><span class="n">usr</span><span class="o">/</span><span class="n">share</span><span class="o">/</span><span class="n">mysql</span><span class="o">/</span><span class="n">charsets</span><span class="o">/</span> <span class="o">|</span>
<span class="o">+--------------------------+----------------------------+</span>
<span class="mi">8</span> <span class="n">ROWS</span> <span class="n">IN</span> <span class="n">SET</span> <span class="p">(</span><span class="mf">0.00</span> <span class="n">sec</span><span class="p">)</span>
</pre></div>


<h5 id="_9">修改已经部署的数据库编码<a class="headerlink" href="#_9" title="Permanent link">&para;</a></h5>
<p>感觉还是挺麻烦的，注意要修改数据库、表、字段的编码。</p>
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            <h4>Published</h4>
            <time pubdate="pubdate" datetime="2014-06-19T00:00:00+08:00">Jun 19, 2014</time>
            <h4>Category</h4>
            <a class="category-link" href="/categories.html#It-ref">It</a>
            <h4>Tags</h4>
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                <li><a href="/tags.html#Mysql-ref">Mysql
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