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--inner join
SELECT * FROM table1, table2
  WHERE table1.data_id = table2.id;

-- Cross join
SELECT * FROM table1, table2;

-- outer join - Выводит ланные даже ели нет во второй таблице
SELECT * FROM table1
  LEFT OUTER JOIN table2
  ON table1.id = table2.data_id;

-- explicit inner join — JOIN
SELECT * FROM table1
  JOIN table2
  ON table1.id = table2.data_id;
  
SELECT table1.name, table1.value FROM table1
  JOIN table2
  ON table1.id = table2.data_id;