如何通过 DSN 从 mysql 连接到数据库?
简短版本: 如何在 mysql 查询中通过 DSN 引用非本地表?
长版: 我的目的是每晚将一些 mysql 表从生产机器复制到备份机器。阻力最小的路径似乎是创建到备份计算机的 ODBC 连接,然后设置一个事件以每晚运行。然后,事件的 SQL 将变得简单,例如
SELECT * FROM localdb.table INTO dsn.database.table
我遇到的问题是,这似乎不是使用 DSN 从 mysql 连接的方法。我所有的谷歌搜索都让我找到了很多描述从某些语言连接到 mysql 的网站,但没有描述从 mysql 到另一个 mysql 的连接。 http://dev.mysql.com/doc/refman 指定的语法/5.0/en/join.html 表示没有办法做到这一点。
Short version:
How can I refer to a non-local table via DSN in a mysql query?
Long version:
My intent is to copy some mysql tables from a production machine to a backup machine nightly. The path of least resistance seems to be creating an ODBC connection to the backup machine, and then setting up an Event to run nightly. The Event's SQL would then be something simple, like
SELECT * FROM localdb.table INTO dsn.database.table
The problem I'm having is it seems that's not the way to connect out from mysql using a DSN. All my googling led me to plenty of sites describing connecting form some languages into mysql, but not from mysql into another mysql. The syntax specified by http://dev.mysql.com/doc/refman/5.0/en/join.html indicates there's no way to do it.
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您无法从 MySQL 连接到 ODBC 源。为什么不使用常规转储/恢复方法呢?
编写一个每天晚上凌晨 3 点运行的脚本,其作用类似于(假设您想从 localdb 转储 my_table:
You can't connect to an ODBC source from MySQL. Why don't you just use regular dump/restore approach?
Write a script to run every night at 3AM, that does something like (assuming you want to dump my_table from localdb: