ALTER TABLE /*_*/filearchive
MODIFY COLUMN fa_minor_mime varbinary(100) default "unknown";
ALTER TABLE /*_*/image
MODIFY COLUMN img_minor_mime varbinary(100) NOT NULL default "unknown";
ALTER TABLE /*_*/oldimage
MODIFY COLUMN oi_minor_mime varbinary(100) NOT NULL default "unknown";
INSERT INTO /*_*/updatelog(ul_key) VALUES ('mime_minor_length');