结尾 通过以上步骤,你应该可以解决"mysql DATA_LENGTH INDEX_LENGTH 没有变小"的问题了。记得及时总结和记录解决问题的过程,这样以后遇到类似问题时就能更快地解决。祝你开发顺利!
In the catalogs tab of MySQL administrator i select my database schema, all the tables appear with their data lengths, index lengths and the number of rows each table has. The biggest table I have is 13177 rows. The data length used is 1.5mb of the 2mb, what happens if the rows in ...
这里database_name是目标数据库名字。这条查询会得到全部表的DATA_LENGTH之和,也就是整个数据库的数据占用空间。 数据长度和索引长度 除了数据长度,可能还想知道索引占用了多少空间。这里还有一个INDEX_LENGTH列,它也在information_schema.TABLES表里。要得到表的总长度(包括数据和索引),可以把DATA_LENGTH和INDEX_LENGTH...
在 mysql 中，使用 delete 命令删除数据后，会发现这张表的数据文件和索引文件却奇怪的没有变小。这是...
但是对比了data_length+index_length+data_free的总和,与du的输出结果对比,还是相差较多。 版本信息:Server version: 5.6.48-log MySQL Community Server (GPL) 概念解释: data_length:聚集索引所占用的空间,单位是bytes For MyISAM, DATA_LENGTH is the length of the data file, in bytes. ...
但是对比了data_length+index_length+data_free的总和,与du的输出结果对比,还是相差较多。 版本信息:Server version: 5.6.48-log MySQL Community Server (GPL) 概念解释: data_length:聚集索引所占用的空间,单位是bytes For MyISAM, DATA_LENGTH is the length of the data file, in bytes. ...
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查看当前链接所有业务数据库 SELECT schema_name AS db_name FROM information_schema.schemata ...
Bug #4568 Data length and Index length wrong Submitted: 15 Jul 2004 20:27Modified: 15 Jul 2004 23:33 Reporter: Jens Schanz Email Updates: Status: Closed Impact on me: None Category: MySQL AdministratorSeverity: S3 (Non-critical) Version: 1.0.6bOS: Linux (SuSE 9.0) Assigned to: ...
Re: Data Length, Index Length Posted by:Wayne Bui Date: March 19, 2008 09:59AM BUMP... I am curious myself and so far no one can answer that. I've tried searching on the internet and so far no luck. Sorry, you can't reply to this topic. It has been closed....