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什么是域名解析？

威海网站建设威海dns
2318

什么是域名解析？

域名解析就是域名到IP地址的转换过程。IP地址是网路上标识您站点的数字地址，为了简单好记，采用域名来代替ip地址标识站点地址。域名的解析工作由DNS服务器完成。

来源：景安

Public @ 2014-01-05 15:45:36

使用mysql管理软件导入恢复/导出备份mysql

威海网站建设威海mysql
3676

有两种主要的方式可以使用mysql管理软件导入恢复和导出备份mysql。第一种方式是使用mysql命令行客户端工具。以下是一些常用的mysql命令：导出数据库： mysqldump -u username -p dbname > backup_file.sql 这将导出名为dbname的数据库，将数据保存在backup_file.sql文件中。要导出整个MySQL服务器中的所有数据库，

Public @ 2023-04-22 10:50:27

域名注册知识百科

威海网站建设威海域名
3092

域名注册是指将一个网站域名在国际互联网上进行注册，以确保其唯一性并交由该网站所有人控制的过程。通常需要选择一个可用的域名、确定有效期、填写相关信息并支付域名费用。以下是有关域名注册的一些基本知识百科： 1. 域名的定义：域名是由字母或数字组合而成的网址，用于识别和定位互联网上的网站和服务器。 2. 域名的结构：域名由多个部分组成，一般从右到左依次包含顶级域、二级域、三级域等。例如，www.

Public @ 2023-06-15 21:50:35

什么是域名解析？

威海网站建设威海dns
2346

域名解析是指将域名解析为其对应的IP地址。它使用DNS服务器建立一个映射关系，识别域名和IP地址间的关系，使得Internet上的用户可以使用有意义的域名访问其对应的网页，而不必记住网站特定的IP地址。

Public @ 2023-02-24 01:27:10

常用公共DNS服务器地址

威海网站建设威海dns
2566

1) Google DNS： - 8.8.8.8 - 8.8.4.4 2) CloudFlare DNS： - 1.1.1.1 - 1.0.0.1 3) Quad9 DNS： - 9.9.9.9 - 149.112.112.112

Public @ 2023-03-01 12:48:06

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[ DB ] CONNECT:[ UseTime:0.020675s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.014871s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2167 LIMIT 1 [ RunTime:0.013933s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.014168s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.014591s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.014800s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 2167 LIMIT 1 [ RunTime:0.013909s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=2167 [ RunTime:0.014619s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.020580s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039614s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海dns' AND `status` <> -1 LIMIT 1 [ RunTime:0.020357s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海dns' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.029351s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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