How to select values from two different tables in SQL

Question

I have two tables in my SQL Server database. The first is Test1 and second is Test2. There is a column RegNo in both tables.

Now I

Answer 1

Here is your query with correction.

SELECT Test1.SurName, Test2.Class, Test2.Medium
    FROM Test1 INNER JOIN Test2 ON Test1.RegNo = Test2.RegNo where  Test2.RegNo=Test1.RegNo;

Also you can filter the query by providing the RegNo,on whichEver table u want.