How to get size of mysql database?

Question

How to get size of a mysql database?
Suppose the target database is called \"v3\".

Answer 1

mysqldiskusage  --server=root:MyPassword@localhost  pics

+----------+----------------+
| db_name  |         total  |
+----------+----------------+
| pics     | 1,179,131,029  |
+----------+----------------+

If not installed, this can be installed by installing the mysql-utils package which should be packaged by most major distributions.