统计数据库各表占用空间大小
2022-11-03 本文已影响0人
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MySql
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='data_数据库名'
order by data_length desc, table_rows desc;
PgSql
select * from (
SELECT table_schema || '.' || table_name AS table_full_name, pg_total_relation_size('"' || table_schema || '"."' || table_name || '"')AS size
FROM information_schema.tables
) t where table_full_name like '模式名.%'
ORDER by table_full_name DESC