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Use of STDistance and difference between geometry and geography, stdistancegeometry

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MySQL database insertion speed adjustment, mysql database insertion Environment Introduction: CentOS 1, 6.5 MySQL 5.5.40 Hardware: 4-core, 4 GB Reference link:Http://dev.mysql.com/doc/refman/5.5/en/insert-speed.html

Obtains whether all columns in the database and whether the column type is null, whether the default value is a primary key, and whether the default value of the database is

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[Blog recommendations] use shell scripts to automate Database Backup

[Blog recommendations] use shell scripts to automate Database Backup This blog post is from the Bkjia blogger Lemon. If you have any questions, go to the blog page for an interactive discussion!Blog: http://maomaostyle.blog.51cto.com/222

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