>>'/' is divide operator in T-SQL. You can find BOL in MSDN at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/startsql/getstart_4fht.asp
>>
>Thanks, it's a little bit better now. Still I have to read lots of pages to find the info, I need. Say, now I need to find out, how the table name in SQL Server should be constructed using full notation. I remember information in Mike Levy book, but I'm afraid, my memory can trick me. What is the first portion of the full name? The Server name?

Sql Server has three parts table name: DB-Owner-Table, for example,

Northwind.dbo.Customers