This article describes how you can execute queries by the default SQL Server OSQL command line.
http://metrix.fcny.org/wiki/display/dev/How+to+execute+a+.SQL+script+using+OSQL
samples :
osql -S server -U user -P password -d dbase -Q “delete from orders”
1
osql -S server -U user -P password -d dbase -n-1 -i "c:\SQLFileNameAndPath.sql"
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