where to use this code?

where to use this code :

EXEC sp_开发者_StackOverflow中文版attach_db @dbname = N'myASPNetDB', 
   @filename1 = N'c:\mypathdata\myaspnet.mdf', 
   @filename2 = N'c:\mypathlogs\myaspnet_log.ldf'

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You would run that within SQL Server Management Studio.