MySQL querying the size of the database

Source: Internet
Author: User
Tags mysql command line

First step: Open the MYSQL command line first, through the Start menu-Program-mysql-command lines client,1-1:

Figure 1-1

Step two: In the command, enter use information_schema 1-2 as shown:

Figure 1-2

Step three: Look at the size of the specified database and enter the following statement:

Select concat (Round (sum (data_length/1024/1024), 2), ' MB ') as DATA from TABLES where table_schema= '  OfflineCollectiondb2'; where offlineCollectiondb2 is the database name, replace it with the database name you need to query, as shown in 1-3:

Figure 1-3

-------------------------------------------Split Line--------------------------------------------------------------------------- ---------

1. Query the size of all data

Select concat (Round (sum (data_length/1024/1024), 2), ' MB ') as DATA from TABLES2. View the size of the table for the specified database,For example, the database test in a table  Select concat (Round (sum (data_length/1024/1024), 2), ' MB ') as DATA from TABLES where table_schema= ' test ' and Table_nam E= A;

MySQL querying the size of the database

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