Hi Liigyare1,
Refer the below sample query.
insert into TableName values (12,rno1) -- Insert without mentioning the ColumnName
insert into TableName (Id,Room) values (12,rno1) -- Insert with mentioning the ColumnName
For more details on Insert Query refer below link.
https://msdn.microsoft.com/en-us/library/aa977880%28v=vs.71%29.aspx