【Mysql】mysql数据库占用空间查询

Mysql数据库操作

数据库大小查询

# 查询 每一个 数据库大小
SELECT 
    table_schema AS '数据库名',
    SUM(data_length + index_length) / 1024 / 1024 AS '数据库大小(MB)'
FROM 
    information_schema.TABLES
GROUP BY 
    table_schema;

# 查询 数据库占用磁盘大小
SELECT 
    SUM(data_length + index_length) / 1024 / 1024 / 1024 AS '数据库大小(GB)'
FROM 
    information_schema.TABLES

# 查询 每个表占用多少行
SELECT 
    TABLE_NAME, TABLE_ROWS
FROM 
    information_schema.TABLES
WHERE 
    TABLE_SCHEMA = 'your_database_name'
ORDER BY 
    TABLE_ROWS DESC;