+ ALTER TABLE newsletter_ins
+CHANGE COLUMN user_id uid INT(11) not null;
+ ALTER TABLE axletter_ins
+CHANGE COLUMN user_id uid INT(11) not null;
+ ALTER TABLE axletter_rights
+CHANGE COLUMN user_id uid INT(11) not null;
+ ALTER TABLE homonyms
+CHANGE COLUMN user_id uid INT(11) not null;
+
+# announces
+ ALTER TABLE announces
+CHANGE COLUMN user_id uid INT(11) not null,
+CHANGE COLUMN peremption expiration DATE NOT NULL;
+
+ ALTER TABLE announce_read
+CHANGE COLUMN user_id uid INT(11) not null;
+
+ ALTER TABLE reminder_tips
+CHANGE COLUMN peremption expiration DATE NOT NULL,
+CHANGE COLUMN titre title VARCHAR(64) NOT NULL,
+CHANGE COLUMN priorite priority TINYINT(2) UNSIGNED NOT NULL DEFAULT 127;