-ALTER TABLE Person ADD COLUMN name_facebook VARCHAR(128) NULL;
-ALTER TABLE Person ADD COLUMN url_blog VARCHAR(256) NULL ;
-ALTER TABLE Person ADD COLUMN url_twitter VARCHAR(256) NULL ;
-ALTER TABLE Person ADD COLUMN url_linkedin VARCHAR(256) NULL ;
+ALTER TABLE Person ADD COLUMN name_facebook VARCHAR(128) NULL;
+ALTER TABLE Person ADD COLUMN url_blog VARCHAR(256) NULL ;
+ALTER TABLE Person ADD COLUMN url_twitter VARCHAR(256) NULL ;
+ALTER TABLE Person ADD COLUMN url_linkedin VARCHAR(256) NULL ;
+ALTER TABLE Person ADD COLUMN alt_email VARCHAR(256) NULL ;
+