DROP TABLE IF EXISTS t1; CREATE TABLE t1 ( pk1 INT NOT NULL PRIMARY KEY, attr1 INT NOT NULL ) ENGINE=ndbcluster; INSERT INTO t1 VALUES (9410,9412); SELECT pk1 FROM t1; pk1 9410 SELECT * FROM t1; pk1 attr1 9410 9412 SELECT t1.* FROM t1; pk1 attr1 9410 9412 UPDATE t1 SET attr1=1 WHERE pk1=9410; SELECT * FROM t1; pk1 attr1 9410 1 UPDATE t1 SET pk1=2 WHERE attr1=1; ERROR 42000: Table 't1' uses an extension that doesn't exist in this MySQL version SELECT * FROM t1; pk1 attr1 9410 1 DELETE FROM t1; SELECT * FROM t1; pk1 attr1 INSERT INTO t1 VALUES (9410,9412); DELETE FROM t1 WHERE pk1 = 9410; SELECT * FROM t1; pk1 attr1 INSERT INTO t1 VALUES (9410,9412), (9411, 9413), (9408, 8765); DELETE FROM t1; SELECT * FROM t1; pk1 attr1 INSERT INTO t1 values (1, 4), (2, 4), (3, 5), (4, 4), (5, 5); DELETE FROM t1 WHERE attr1=4; SELECT * FROM t1 order by pk1; pk1 attr1 3 5 5 5 DELETE FROM t1; INSERT INTO t1 VALUES (9410,9412), (9411, 9413); DELETE FROM t1 WHERE pk1 = 9410; SELECT * FROM t1; pk1 attr1 9411 9413 DROP TABLE t1; CREATE TABLE t1 (id INT, id2 int) engine=ndbcluster; INSERT INTO t1 values(3456, 7890); SELECT * FROM t1; id id2 3456 7890 UPDATE t1 SET id=2 WHERE id2=12; SELECT * FROM t1; id id2 3456 7890 UPDATE t1 SET id=1234 WHERE id2=7890; SELECT * FROM t1; id id2 1234 7890 DELETE FROM t1; INSERT INTO t1 values(3456, 7890), (3456, 7890), (3456, 7890); SELECT * FROM t1; id id2 3456 7890 3456 7890 3456 7890 DELETE FROM t1 WHERE id = 3456; DROP TABLE t1; CREATE TABLE t1 ( pk1 INT NOT NULL PRIMARY KEY, attr1 INT NOT NULL ) ENGINE=NDBCLUSTER; INSERT INTO t1 values(1, 9999); DROP TABLE t1; CREATE TABLE t1 ( pk1 INT NOT NULL PRIMARY KEY, attr1 INT NOT NULL ) ENGINE=NDB; INSERT INTO t1 values(1, 9999); DROP TABLE t1;