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	<title>Kingdict - ECommerce Observer &#187; Dababase</title>
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		<title>简单Mysql操作</title>
		<link>http://www.kingdict.net/i/2009/05/simply-mysql-operation</link>
		<comments>http://www.kingdict.net/i/2009/05/simply-mysql-operation#comments</comments>
		<pubDate>Sun, 31 May 2009 07:04:34 +0000</pubDate>
		<dc:creator>kingdict</dc:creator>
				<category><![CDATA[Dababase]]></category>

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		<description><![CDATA[因为修改new box manager插件,所以要修改Mysql中的一个数据库表，额外添加两个字段，语法如下， ALTER TABLE table_name ADD field_name field_type; 添加字段实例：alter table t2 add d timestamp; alter table infos add ex tinyint not null default &#8217;0&#8242;; 其他类似操作， 修改原字段名称及类型： ALTER TABLE table_name CHANGE old_field_name new_field_name field_type 删除字段 ALTER TABLE table_name DROP field_name; 重命名表 alter table t1 rename t2;]]></description>
			<content:encoded><![CDATA[<p>因为修改new box manager插件,所以要修改Mysql中的一个数据库表，额外添加两个字段，语法如下，</p>
<p>ALTER TABLE table_name ADD field_name field_type;</p>
<p><em>添加字段</em>实例：alter table t2 add d timestamp;<br />
alter table infos add ex tinyint not null default &#8217;0&#8242;;</p>
<p>其他类似操作，</p>
<p>修改原字段名称及类型：<br />
ALTER TABLE table_name CHANGE old_field_name new_field_name field_type</p>
<p><em>删除字段</em> ALTER TABLE table_name DROP field_name;</p>
<p><em>重命名表</em> alter table t1 rename t2;</p>
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