如何在两个表中使用SELECT与WHERE？

Question

SELECT * FROM `table1.column1` 
WHERE `table1.column1` = '1' AND `table2.column2`=1";

我希望一个SELECT从两个表中获得WHERE。有可能吗？

Answer 1

这可能有所帮助：

SQL

"SELECT * FROM `table1`, `table2` WHERE `table1.column1`='1' AND `table2.column2`='1'";

Answer 2

Select *
From table1 j,
    table2 k
Where j.column1 = k.column1
    And j.column1 = 1;

Answer 3

SELECT * FROM `table1`, `table2` 
  WHERE `table1.column1` = '1' 
  AND `table2.column2` = '1';

Answer 4

SELECT * FROM table1 t, table2 u
WHERE t.PKCol = u.FKCol AND t.DesiredCol = "1"