今天就跟大家聊聊有关MySQL中如何查看数据库表容量大小，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。
1、查看所有数据库容量大小
SELECT table_schema AS '数据库', sum( table_rows ) AS '记录数', sum( TRUNCATE ( data_length / 1024 / 1024, 2 ) ) AS '数据容量(MB)', sum( TRUNCATE ( index_length / 1024 / 1024, 2 ) ) AS '索引容量(MB)' FROM information_schema.TABLES GROUP BY table_schema ORDER BY sum( data_length ) DESC, sum( index_length ) DESC;
2、查看所有数据库各表容量大小
SELECT table_schema AS '数据库', table_name AS '表名', table_rows AS '记录数', TRUNCATE ( data_length / 1024 / 1024, 2 ) AS '数据容量(MB)', TRUNCATE ( index_length / 1024 / 1024, 2 ) AS '索引容量(MB)' FROM information_schema.TABLES ORDER BY data_length DESC, index_length DESC;
3、查看指定数据库容量大小
SELECT table_schema AS '数据库', sum( table_rows ) AS '记录数', sum( TRUNCATE ( data_length / 1024 / 1024, 2 ) ) AS '数据容量(MB)', sum( TRUNCATE ( index_length / 1024 / 1024, 2 ) ) AS '索引容量(MB)' FROM information_schema.TABLES WHERE table_schema = 'mysql';
4、查看指定数据库各表容量大小
SELECT table_schema AS '数据库', table_name AS '表名', table_rows AS '记录数', TRUNCATE ( data_length / 1024 / 1024, 2 ) AS '数据容量(MB)', TRUNCATE ( index_length / 1024 / 1024, 2 ) AS '索引容量(MB)' FROM information_schema.TABLES WHERE table_schema = 'mysql' ORDER BY data_length DESC, index_length DESC;
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看完上述内容，你们对MySQL中如何查看数据库表容量大小有进一步的了解吗？如果还想了解更多知识或者相关内容，请关注云搜网行业资讯频道，感谢大家的支持。
