﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-Java Sky  of  Zhao-随笔分类-MySQL</title><link>http://www.blogjava.net/SINOJAVA/category/43485.html</link><description>受挫一次,对生活的理解加深一层;失误一次对人生的感悟增添一阶;不幸一次,对世界的认识成熟一级;磨难一次,对成功的内涵透彻一遍!</description><language>zh-cn</language><lastBuildDate>Fri, 08 Jan 2010 12:28:26 GMT</lastBuildDate><pubDate>Fri, 08 Jan 2010 12:28:26 GMT</pubDate><ttl>60</ttl><item><title>【转】MySQL中判断表是否存在</title><link>http://www.blogjava.net/SINOJAVA/archive/2010/01/08/308767.html</link><dc:creator>SINOJAVA</dc:creator><author>SINOJAVA</author><pubDate>Fri, 08 Jan 2010 12:22:00 GMT</pubDate><guid>http://www.blogjava.net/SINOJAVA/archive/2010/01/08/308767.html</guid><wfw:comment>http://www.blogjava.net/SINOJAVA/comments/308767.html</wfw:comment><comments>http://www.blogjava.net/SINOJAVA/archive/2010/01/08/308767.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/SINOJAVA/comments/commentRss/308767.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/SINOJAVA/services/trackbacks/308767.html</trackback:ping><description><![CDATA[MySQL中判断表是否存在:<br />
1. SHOW&nbsp;&nbsp; TABLES&nbsp;&nbsp; LIKE&nbsp;&nbsp; '%tb_bp_d_case%';&nbsp;&nbsp; <br />
<br />
2. select `TABLE_NAME` from `INFORMATION_SCHEMA`.`TABLES` where `TABLE_SCHEMA`='dbname' and `TABLE_NAME`='tablename' ;<br />
<br />
3. 如果表不存在就建立这个表，那么可以直接用 create table if not exists tablename 这样的指令来建立，不需要先去查询表是否存在。<br />
<br />
4. 从模板表创建表：create table if not exists like old_table_name; <br />
<br />
文章出处：DIY部落(http://www.diybl.com/course/7_databases/mysql/Mysqljs/20090313/161045.html)
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