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I wanna restore my database and i use sql server 2012 express edition but when i restore my backup file in sql server management studio, i take this error:
System.Data.SqlClient.SqlError: There is insufficient free space on disk volume 'c:\' to create the database. The database requires 84260749312 additional free bytes, while only 47428677632 bytes are available. (Microsoft.SqlServer.SmoExtended)
My .bak file is 8.27 gb and my C disk has 44.1 gb free space. Why do i take this error ? how can i fix this error ? Thanks in advance.