mysqlはクエリ結果を並べて結合します

これは、RIGHT JOINを使用して行うことができます ROW_NUMBERを使用して各テーブルにIDを割り当てます 。以下の私のクエリを参照してください：

 SELECT A.column1,A.column2,B.column1,B.column2 FROM
    (SELECT
         @row_number1:[email protected]_number1+1 AS RowNumber1,
         column1,
         column2
    FROM Table1, (SELECT @row_number1:=0)AS x ORDER BY column1) AS A
    RIGHT JOIN
    (SELECT
         @row_number2:[email protected]_number2+1 AS RowNumber2,
         column1,
         column2
    FROM Table2, (SELECT @row_number2:=0)AS y ORDER BY column1) AS B
    ON A.RowNumber1=B.RowNumber2