备忘mysql数据大小统计

Mysql各数据库数据size统计

select
  table_schema as data_base,
  sum(table_rows) as row_nums,
  sum(truncate(data_length/1024/1024, 2)) as data_mb,
  sum(truncate(index_length/1024/1024, 2)) as index_mb
from information_schema.tables
group by table_schema
order by sum(data_length) desc, sum(index_length) desc;

Mysql各数据库表数据size统计

select
  table_schema as data_base,
  table_name,
  table_rows as row_nums,
  truncate(data_length/1024/1024, 2) as data_mb,
  truncate(index_length/1024/1024, 2) as index_mb
from information_schema.tables
order by data_length desc, index_length desc;