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Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope

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MongoDB installation * build yum source if you install the epel extension source, you can install the mongodb2.4 version, but this time we want to install version 3.0. the official source only supports 64-bit system vim / etc/yum.repos.d/mongo.

MySQL automatically deletes tables on a regular basis

Log tables with more than 800 million units need to automatically delete the log tables created 30 days ago after automatic sorting. But only in Master offline these log tables, and Slave still needs to remain online, in case of query. Http://blog.itpub.net/292

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This article shares with you the content of sample analysis of MySQL cursors and exception handling. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look. Complex exception handling drop procedure if exists T2

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This article mainly gives you a brief introduction to the simple steps of installing mysql in the yum source of the CentOS system. You can check the relevant professional terms on the Internet or find some related books to supplement them. We will not dabble here. Let's go straight to the topic. We hope that the yum source of the CentOS system will install mys.

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This article will explain in detail how to dynamically generate tables in mysql. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article. The method of dynamic table generation in mysql is realized by SQL statement and the code is [crea]