DROP TABLE IF EXISTS t1,t2;
CREATE TABLE t1(c1 BIGINT NOT NULL PRIMARY KEY, c2 BIGINT);
CREATE TABLE t2(c1 BIGINT NOT NULL PRIMARY KEY, c2 BIGINT);
INSERT INTO t1 (c1,c2) VALUES(0,0),(1,1),(2,2),(3,3),(8,8);
INSERT INTO t2 (c1,c2) VALUES(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
REPLACE INTO t1 SELECT * FROM t2;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
DROP TABLE t1, t2;