CREATE TABLE IF NOT EXISTS SISCourseMergeDetails ( MergeLogId VARCHAR(36) NOT NULL, OrgUnitId INT NOT NULL, Action VARCHAR(50), Details TEXT, PRIMARY KEY (MergeLogId, OrgUnitId), CONSTRAINT fk_smd_log FOREIGN KEY (MergeLogId) REFERENCES SISCourseMergeLog(MergeLogId) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;