MySQL 의 database 와 table 의 size 를 알아내는 방법

MySQL 의 database 와 table 의 size 를 알아내는 방법 (mysql 5버전 이상)

 

DB_NAME 에 사이즈를 알고 싶은 database 를 넣으면 모든 테이블의 사이즈가 출력됨

show databaes;   ( 데이터베이스 목록 나열)

SELECT TABLE_NAME AS "Tables",

                     round(((data_length + index_length) / 1024 / 1024), 2) "Size in MB"

FROM information_schema.TABLES

WHERE table_schema = "DB_NAME"

ORDER BY (data_length + index_length) DESC;

SELECT TABLE_NAME AS "Tables",

                      round(((data_length + index_length) / 1024 / 1024), 2) "Size in MB"

FROM information_schema.TABLES

WHERE table_schema = "TCCMain"

ORDER BY (data_length + index_length) DESC;

(METRO911)

SELECT TABLE_NAME AS "Tables",

                      round(((data_length + index_length) / 1024 / 1024), 2) "Size in MB"

FROM information_schema.TABLES

WHERE table_schema = "METRO911"

ORDER BY (data_length + index_length) DESC;

SELECT TABLE_NAME AS "Tables",

                      round(((data_length + index_length) / 1024 / 1024), 2) "Size in MB"

FROM information_schema.TABLES

WHERE table_schema = "GEPON"

ORDER BY (data_length + index_length) DESC;