Question

I would like my result to look something like this

    FirstName1     LastName1         FirstName2      LastName2
       Amy           Smith              Bob            Stone
      Fred           Joker              Gina           White

Where FirstName1 and FirstName2 have same data types but nothing I can use to join (assume no one has same names) and the same goes for LastName1 and LastName2.
I tried to create 2 tables. First table contains FirstName1 and LastName1. Second table contains Firstname2 and LastName2.
Then I use

SELECT table1.FirstName1, table1.LastName1, table2.FirstName2, table2.LastName2
FROM table1, table2;

But this gives me a lot of duplicates. Any suggestions?

Answer 1

SELECT t1.FirstName1, t1.LastName1, t2.FirstName2, t2.LastName2
FROM
    (SELECT 
         FirstName1, 
         LastName1, 
         ROW_NUMBER() OVER (ORDER BY FirstName1) 'RowNumber'
     FROM table1
    ) AS t1
    FULL OUTER JOIN
    (SELECT 
         FirstName2, 
         LastName2, 
         ROW_NUMBER() OVER (ORDER BY FirstName2) 'RowNumber'
     FROM table2
    ) AS t2
    ON t1.RowNumber = t2.RowNumber

FULL OUTER JOIN will handle the cases where the number of rows from the two tables are not the same.