ALTER TABLE Person ADD COLUMN firstname varchar(128) NOT NULL DEFAULT '';
ALTER TABLE Person ADD COLUMN lastname varchar(128) NOT NULL DEFAULT '';
-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 ;