How to Get True Size of MySQL Database?

Question

I would like to know how much space does my MySQL database use, in order to select a web host. I found the command SHOW TABLE STATUS LIKE \'table_name\' so when

Answer 1

If you are using MySql Workbench, its very easy to get all details of Database size, each table size, index size etc.

1. Right Click on Schema

2. Select Schema Inspector option

3. It Shows all details of Schema size

4. Select Tables Tab to see size of each table.

5. Table size diplayed in Data Lenght column

Answer 2

SUM(Data_free) may or may not be valid. It depends on the history of innodb_file_per_table. More discussion is found here.

Answer 3

You can get the size of your Mysql database by running the following command in Mysql client

SELECT  sum(round(((data_length + index_length) / 1024 / 1024 / 1024), 2))  as "Size in GB"
FROM information_schema.TABLES
WHERE table_schema = "<database_name>"

Answer 4

if you want to find it in MB do this

SELECT table_schema                                        "DB Name", 
   Round(Sum(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB" 
FROM   information_schema.tables 
GROUP  BY table_schema;