CREATE TABLE t1 (pk INT PRIMARY KEY, a INT); INSERT INTO t1 VALUES (1,10),(2,20); CREATE TABLE t2 (b INT) PARTITION BY KEY (b) PARTITIONS 2; INSERT INTO t2 VALUES (1),(2); DELETE t2 FROM t2 WHERE b BETWEEN 5 AND 9; UPDATE t2 JOIN t1 SET b = 5; DROP TABLE t1, t2;