Select SQL Server database size

Question

how can i query my sql server to only get the size of database?

I used this :

use \"MY_DB\"
exec sp_spaceused

I got this :

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Answer 1

EXEC sp_spaceused @oneresultset = 1 show in 1 row all of the result

if you execute just 'EXEC sp_spaceused' you will see two rows Work in SQL Server Management Studio v17.9