查视数据库表空间.md
发布时间：2022-03-08 20:59:31 所属栏目：MySql教程 来源：互联网
导读：查看数据占用空间大小： SELECT CONCAT(ROUND(SUM(data_length)/(1024*1024*1024), 6), GB) AS Total Data Size FROM information_schema.TABLES WHERE table_schema LIKE quizzes; 查看指定数据库schema下的空间： select TABLE_NAME, concat(truncate(data
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查看数据占用空间大小： SELECT CONCAT(ROUND(SUM(data_length)/(1024*1024*1024), 6), ' GB') AS 'Total Data Size' FROM information_schema.TABLES WHERE table_schema LIKE 'quizzes'; 查看指定数据库schema下的空间： select TABLE_NAME, concat(truncate(data_length/1024/1024,2),' MB') as data_size, concat(truncate(index_length/1024/1024,2),' MB') as index_size from information_schema.tables where TABLE_SCHEMA = 'quizzes'; SELECT CONCAT(table_schema,'.',table_name) AS 'Table Name', table_rows AS 'Number of Rows', CONCAT(ROUND(data_length/(1024*1024*1024),6),' G') AS 'Data Size', CONCAT(ROUND(index_length/(1024*1024*1024),6),' G') AS 'Index Size' , CONCAT(ROUND((data_length+index_length)/(1024*1024*1024),6),' G') AS'Total' FROM information_schema.TABLES WHERE table_schema LIKE 'aries_account' order by Total; 查看该实例下所有schema的空间： select table_schema, sum(data_length+index_length)/1024/1024 as total_mb, sum(data_length)/1024/1024 as data_mb, sum(index_length)/1024/1024 as index_mb, count(*) as tables, curdate() as today from information_schema.tables group by table_schema order by 2 desc; select concat(truncate(sum(data_length)/1024/1024,2),'MB') as data_size, concat(truncate(sum(max_data_length)/1024/1024,2),'MB') as max_data_size, concat(truncate(sum(data_free)/1024/1024,2),'MB') as data_free, concat(truncate(sum(index_length)/1024/1024,2),'MB') as index_size from information_schema.tables; （编辑：晋中站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
