get size of each tables in mysql code example
Example 1: mysql get table size
SELECT
TABLE_NAME AS `Table`,
ROUND((DATA_LENGTH + INDEX_LENGTH) / 1024 / 1024) AS `Size (MB)`
FROM
information_schema.TABLES
WHERE
TABLE_SCHEMA = "bookstore"
ORDER BY
(DATA_LENGTH + INDEX_LENGTH)
DESC;
Example 2: check size table
SELECT pg_size_pretty( pg_total_relation_size('tablename') );
(postgres)