给定下列两个表:()。<br /> <img src="https://nimg.ppkao.com/2018-09/tangxueping/20180911154055491.jpg?sign=1ea80f3141d400ad4d075759f8c21d6f&t=62d45b8d" />
A、SELECT * FROM tab1 INNER JOIN tab2 ON col_1 = col_a
B、SELECT * FROM tab1 LEFT OUTER JOIN tab2 ON col_1 = col_a
C、SELECT * FROM tab1 RIGHT OUTER JOIN tab2 ON col_1 = col_a
D、SELECT * FROM tab1 FULL OUTER JOIN tab2 ON col_1 = col_a