Specify a SQL Server database name for the site to use. The database name must be between 1 and 64 characters and must not ...

Specify a SQL Server database name for the site to use. The database name must be between 1 and 64 characters and must not contain spaces. The first character must be a letter (a-z, A-Z or underscore(_)). Subsequent characters can be letters, underscore(_), dollar($), pound sign (#), and the "at" sign (@).