Why do you want to use any other operator instead of ;?
The semicolon character is a statement terminator. It is a part of the ANSI SQL-92 standard.
SQL Server 2008 Books Online (June 2009)
http://msdn.microsoft.com/en-us/library/ms177563.aspx
Transact-SQL statement terminator.Although the semicolon is not required for most statements in this version of SQL Server, it will be required in a future version.