一不小心点了数据库的“一键清理”功能怎么办，数据库会不会删除？_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网_ChatGPT

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一不小心点了数据库的“一键清理”功能怎么办，数据库会不会删除？

如果您不确定清理功能的具体内容和影响范围，请不要轻易点击一键清理功能。一键清理功能会清理数据库中的无用数据（例如日志、缓存等），但不会删除数据库中的实际数据。然而，如果您使用的是具有危险性的清理工具，则可能会意外地删除数据库中的数据。如果您遇到这种情况，请立即联系数据库管理员或技术支持人员来修复问题。

Public @ 2023-06-08 11:00:07

自动备份mysql并删除7天前备份

威海Web网站开发威海mysql
1767

1.远程连接服务器先参看https://www.west.cn/faq/list.asp?unid=417 教程远程登陆服务器2.下载备份脚本文件windows: 下载http://downinfo.myhostadmin.net/vps/bkupmysql.bat 保存到d盘根目录linux: wget http://downinfo.myhostadmin.net/vp

Public @ 2011-04-01 15:46:49

怎么判断是单独用一个数据库，还是用多个数据库？

u一般比较大型的系统，业务复杂，数据库存储量比较大，逻辑复杂，可以采用多个数据库，分开了管理，把数据做拆分。（MySQL独享版）u小型网站，或者单个项目，可以采用一个数据库，方便管理，比如数据库的备份啊，数据的导入导出等，只操作一个数据库就行了。（MySQL共享版）来源：景安

Public @ 2014-05-07 16:13:04

快云数据库数据如何导入导出？

快云数据库支持多种数据导入导出方式，具体如下： 1.使用快云控制台进行导入导出在快云控制台上创建数据库实例后，可以在实例管理页面选择“导入数据”或“导出数据”，然后选择需要导入或导出的数据库文件，即可完成操作。 2.使用云服务器进行导入导出可以通过在云服务器上安装mysql等数据库工具，使用命令行或图形界面的方式进行数据导入导出。例如，可以使用以下命令导入数据： mysql -h主机

Public @ 2023-05-30 07:00:16

将数据库迁移至MySQL独享版数据库的操作方法

说明：迁移的前提是用户已经开通了独享版数据库，需要将共享版数据库、自建数据库、其他厂商的数据库迁移到独享版数据库。要迁移的业务分为以下三种情况：1.景安MySQL共享版—>MySQL独享版在自主管理平台点击数据迁移至快云数据库独享版1.jpg1.png选择—>景安数据库业务标识—>点击获取数据库列表—>右边方框中选择要迁移的数据库——>点击开始迁移。2.png2.自建

Public @ 2015-04-25 16:13:02

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[ DB ] CONNECT:[ UseTime:0.025279s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.018010s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.017147s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.018518s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016855s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018056s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8614 LIMIT 1 [ RunTime:0.017183s ]
[ 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:0.017333s ]
[ 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:0.017652s ]
[ 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:0.018277s ]
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[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8614 LIMIT 1 [ RunTime:0.017040s ]
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[ SQL ] update `ob_article` set views=views+2 where id=8614 [ RunTime:0.019641s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海Web网站开发' AND `status` <> -1 LIMIT 1 [ RunTime:0.025499s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海Web网站开发' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036733s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海数据库' AND `status` <> -1 LIMIT 1 [ RunTime:0.027109s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海数据库' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034512s ]
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