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CREATE TABLE t1(a int primary key, b varchar(255), c int) engine=ndb; select * from t1; a b c insert into t1 values (1, "row 1", 2); select * from t1; a b c 1 row 1 2 select * from t1; a b c 1 row 1 2 select * from t1; a b c 1 row 1 2 select * from t1; ERROR HY000: Got error 157 'Unknown error code' from NDBCLUSTER select * from t1; ERROR HY000: Got error 157 'Unknown error code' from NDBCLUSTER select a,b,c from t1; a b c 1 row 1 2 select * from t1; a b c 1 row 1 2 select * from t1; a b c 1 row 1 2 insert into t1 values (2, "row 1", 37); drop table t1; create table t1(a int, b varchar(10), c date) engine=ndb; CREATE TRIGGER trg1 BEFORE UPDATE ON t1 FOR EACH ROW BEGIN SET new.c = '1901-01-01 01:01:01'; End // insert into t1 values (1, "row 1", NULL),(2, "row 2", NULL); select * from t1 order by a; a b c 1 row 1 NULL 2 row 2 NULL create table t2(a int, b varchar(10), c date) engine=myisam; CREATE TRIGGER trg2 BEFORE UPDATE ON t2 FOR EACH ROW BEGIN SET new.c = '1901-01-01 01:01:01'; End // create table t1(a int, b varchar(10), c date) engine=ndb; CREATE TRIGGER trg1 BEFORE UPDATE ON t1 FOR EACH ROW BEGIN SET new.c = '1902-02-02 02:02:02'; End // insert into t1 values (1, "row 1", NULL),(2, "row 2", NULL); select * from t1 order by a; a b c 1 row 1 NULL 2 row 2 NULL create table t2(a int, b varchar(10), c date) engine=myisam; ERROR 42S01: Table 't2' already exists drop table t2; create table t2(a int, b varchar(10), c date) engine=myisam; CREATE TRIGGER trg2 BEFORE UPDATE ON t2 FOR EACH ROW BEGIN SET new.c = '1901-01-01 01:01:01'; End // drop table t1, t2; create table information_schema.t1(a int, b varchar(10), c date) engine=ndb; ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'