CREATE TABLE t1 ( a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, message CHAR(20));
CREATE TABLE t2 ( a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, message CHAR(20));
INSERT INTO t1 (message) VALUES ('Testing'),('table'),('t1');
INSERT INTO t2 (message) VALUES ('Testing'),('table'),('t2');
CREATE TABLE total (a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, message CHAR(20)) ENGINE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;
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Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist |
CREATE TABLE t3( a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, message CHAR(20)); ALTER TABLE total UNION=(t1,t2,t3)<br> |