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多个网站可以共用一个数据库么？

是的，多个网站可以共用一个数据库。这通常是通过将多个网站部署到同一个服务器上以及在这些网站中使用相同的数据库连接信息来实现的。共享数据库可以简化网站开发和维护，并且可以提高数据的一致性和可靠性。但需要注意的是，在共享数据库时需要确保所有网站对数据库的操作不会相互干扰，并且要注意数据安全和隐私问题。

Public @ 2023-03-29 09:50:11

mssql 高版本数据库导入到低版本，适用不同版本数据转移

威海Web网站开发威海mssql
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适用场景：高版本数据库数据转移到低版本。由于sqlserver向下兼容性，但不向上兼容，所以高版本数据无法利用bak恢复，也不能附加。只能通过sql方式导入，以下介绍两种方式。因数据库低版本很多停止了更新,强烈建议按照下面方式导入高版本中,导入完成,再进行备份,就可以获得高版本数据库bak,以后可以在高版本中直接bak恢复.☆方法一Navicat Premium☆方法二，sqlserver管理器低

Public @ 2010-01-03 15:46:43

VPS、弹性云使用phpmyadmin导入导出MySQL数据库

1、VPS和弹性云平台均可以使用phpMyAdmin来导入和导出MySQL数据库。 2、导入MySQL数据库：（1）打开phpMyAdmin，选择要导入的数据库；（2）点击“导入”按钮；（3）在文件选择框中选择要导入的sql文件；（4）点击“执行”按钮；（5）等待系统完成导入操作； 3、导出MySQL数据库：（1）打开phpMyAdmin，选择要导出的数据库；（2）点击“导出

Public @ 2023-02-24 06:36:20

快云数据库数据如何导入导出？

快云数据库的数据可以通过以下方法导入导出： 1. 导出数据 a. 使用快云数据库的“备份”功能进行导出，可以选择导出整个数据库或者某个表的数据 b. 通过SQL语句进行导出，比如使用SELECT语句查询数据后，将结果以CSV或Excel文件的格式保存到本地 2. 导入数据 a. 使用快云数据库的“恢复”功能进行导入，可以选择导入整个数据库或者某个表的数据 b. 通过SQL语句进行导入，

Public @ 2023-04-13 01:50:38

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？

如果您误操作了数据库的“一键清理”功能，可能会导致数据库被清空或删除，这取决于清理功能的具体实现和您的操作。如果您发现误操作，请尽快联系数据库管理员或技术支持团队。如果备份数据，可以恢复数据库，否则数据可能永久丢失。因此，建议在使用数据库时要谨慎操作，避免误操作造成不必要的损失。

Public @ 2023-06-08 09:00:07

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[ DB ] CONNECT:[ UseTime:0.026172s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.018562s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.017671s ]
[ 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:0.018400s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.017771s ]
[ 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:0.018540s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6479 LIMIT 1 [ RunTime:0.017700s ]
[ 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:0.017907s ]
[ 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:0.018102s ]
[ 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:0.018571s ]
[ 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` = 6479 LIMIT 1 [ RunTime:0.017665s ]
[ 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=6479 [ RunTime:0.018396s ]
[ 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:0.024956s ]
[ 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:0.036613s ]
[ 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; Using temporary; Using filesort', ) ]
[ 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:0.023889s ]
[ 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:0.034904s ]
[ 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; Using temporary; Using filesort', ) ]

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