Amazon rds db size

http://webmasters.stackexchange.com/questions/61684/how-can-i-tell-how-big-my-amazon-rds-database-mysql-is

Sizes By Database

SELECT DBName,CONCAT(LPAD(FORMAT(SDSize/POWER(1024,pw),3),17,' '),' ', SUBSTR(' KMGTP',pw+1,1),'B') "Data Size",CONCAT(LPAD( FORMAT(SXSize/POWER(1024,pw),3),17,' '),' ',SUBSTR(' KMGTP',pw+1,1),'B') "Index Size", CONCAT(LPAD(FORMAT(STSize/POWER(1024,pw),3),17,' '),' ', SUBSTR(' KMGTP',pw+1,1),'B') "Total Size" FROM (SELECT IFNULL(DB,'All Databases') DBName,SUM(DSize) SDSize,SUM(XSize) SXSize, SUM(TSize) STSize FROM (SELECT table_schema DB,data_length DSize, index_length XSize,data_length+index_length TSize FROM information_schema.tables WHERE table_schema NOT IN ('mysql','information_schema','performance_schema')) AAA GROUP BY DB WITH ROLLUP) AA,(SELECT 3 pw) BB ORDER BY (SDSize+SXSize);