Mysql - Get Database sum of data and indexes sizes

mysql_database_size.sql

# Database size of data + indexes
SELECT 
    SUM((DATA_LENGTH + INDEX_LENGTH)) db_bytes,
    ROUND(SUM((((DATA_LENGTH + INDEX_LENGTH) / 1024) / 1024)), 2) AS db_mb,
    ROUND(SUM((((DATA_LENGTH + INDEX_LENGTH) / 1024) / 1024) / 1024), 2) AS db_gb
    ROUND(SUM((DATA_LENGTH + INDEX_LENGTH) / 1073741824), 2) AS db_gb2
FROM
    INFORMATION_SCHEMA.PARTITIONS
WHERE
    TABLE_SCHEMA = 'db_store_122';