#DBのサイズ
SELECT
table_schema, sum(data_length) /1024/1024 AS mb
FROM
information_schema.tables
GROUP BY
table_schema
ORDER BY
sum(data_length+index_length) DESC;
#テーブルのサイズ
SELECT
table_name, engine, table_rows AS tbl_rows,
avg_row_length AS rlen,
floor((data_length+index_length)/1024/1024) AS allmb, #Total Size
floor((data_length)/1024/1024) AS dmb, #Data Size
floor((index_length)/1024/1024) AS imb #Index Size
FROM
information_schema.tables
WHERE
table_schema=database()
ORDER BY
(data_length+index_length) DESC;