1
CREATE TABLE t1 (a blob default '');
3
CREATE TABLE t1 (a blob);
4
ALTER TABLE t1 ALTER a SET DEFAULT '';
7
CREATE TABLE t1 (a timestamp default CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP);
8
ALTER TABLE t1 ALTER a SET DEFAULT '2011-01-01 10:00:00';
12
CREATE TABLE t1 (a timestamp ON UPDATE CURRENT_TIMESTAMP);
13
ALTER TABLE t1 ALTER a SET DEFAULT '2011-03-07 17:45:00';