select * into [db2.new_table] from [db1.old_table]//if table doesnt exists
//just need to specify the database name with the table
// just below one
insert into [database1].dbo.[TableName]
Select * from [database2].dbo.[TableName]//if table exists
//where tablename table are in database database1 and database2
// here we are fetching record from database2 from table tablename
// and insert this record into table tablename into database database2