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mysqldump选项之skip-opt

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Release: 2016-06-07 16:34:53
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最近在用mysqldump备份时,想要把数据表和数据分开备份,因此做了2次备份。 执行备份数据库表结构时,指定了 skip-opt 选项,相当于: --add-drop-table, --add-locks,--create-options, --quick, --extended-insert,--lock-tables, --set-charset, and --di


最近在用mysqldump备份时,想要把数据表和数据分开备份,因此做了2次备份。
执行备份数据库表结构时,指定了 –skip-opt 选项,相当于:

--add-drop-table, --add-locks,
--create-options, --quick, --extended-insert,
--lock-tables, --set-charset, and --disable-keys
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选项 –create-option 看起来比较不起眼:

  -a, --create-options 
      Include all MySQL specific create options.
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事实上,如果把它disable的话,备份出来的表结构,会少了:

AUTO_INCREMENT   --PK字段的AUTO_INCREMENT属性以及数据表的AUTO_INCREMENT属性都会丢掉
ENGINE=InnoDB DEFAULT CHARSET=utf8  --数据表的引擎、字符集属性
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等MySQL特有的数据表属性,需要注意下,版本信息见下:

Server version:         5.5.19-55-log Percona Server (GPL), Release rel24.0, Revision 204
mysqldump --version
mysqldump  Ver 10.13 Distrib 5.5.19, for Linux (x86_64)
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