mysql查看表/索引大小

SELECT 
   DATA_LENGTH / (1024 * 1024 * 1024) AS 'DATA_SIZE(GB)', 
   INDEX_LENGTH / (1024 * 1024 * 1024) AS 'INDEX_SIZE(GB)', 
   TABLE_SCHEMA, 
   TABLE_NAME
FROM information_schema.TABLES
WHERE TABLE_NAME = 'tel_cdr_1';