diff --git a/sql/inv2.sql b/sql/inv2.sql
index b99181b..c749fae 100644
--- a/sql/inv2.sql
+++ b/sql/inv2.sql
@@ -55,7 +55,7 @@ CREATE TABLE `Elementos` (
   `id_Ubicacion` smallint(5) unsigned NOT NULL COMMENT 'foreign(Ubicaciones;id),ordenable',
   `numserie` varchar(30) default NULL COMMENT 'ordenable',
   `cantidad` int(10) unsigned default NULL COMMENT 'ordenable',
-  `fechaCompra` datetime NOT NULL COMMENT 'ordenable',
+  `fechaCompra` date NOT NULL COMMENT 'ordenable',
   PRIMARY KEY  (`id`),
   KEY `id` (`id`),
   KEY `id_Articulo` (`id_Articulo`),
@@ -108,7 +108,7 @@ SET @saved_cs_client     = @@character_set_client;
 SET character_set_client = utf8;
 CREATE TABLE `Usuarios` (
   `id` int(10) unsigned NOT NULL auto_increment,
-  `nombre` varchar(8) NOT NULL default '',
+  `nombre` varchar(16) NOT NULL default '',
   `clave` varchar(32) NOT NULL default '',
   `idSesion` varchar(20) NOT NULL default '',
   `alta` tinyint(1) NOT NULL default '0',
diff --git a/sql/setup.sql b/sql/setup.sql
index a33e01f..e73a0af 100644
--- a/sql/setup.sql
+++ b/sql/setup.sql
@@ -23,7 +23,7 @@ SET @saved_cs_client     = @@character_set_client;
 SET character_set_client = utf8;
 CREATE TABLE `Articulos` (
   `id` smallint(6) NOT NULL auto_increment,
-  `descripcion` varchar(60) NOT NULL COMMENT 'ordenable',
+  `descripcion` varchar(60) NOT NULL COMMENT 'ordenable,link/Articulo',
   `marca` varchar(20) default NULL COMMENT 'ordenable',
   `modelo` varchar(20) default NULL COMMENT 'ordenable',
   `cantidad` int(11) default NULL COMMENT 'ordenable',
@@ -45,7 +45,7 @@ CREATE TABLE `Elementos` (
   `id_Ubicacion` smallint(5) unsigned NOT NULL COMMENT 'foreign(Ubicaciones;id),ordenable',
   `numserie` varchar(30) default NULL COMMENT 'ordenable',
   `cantidad` int(10) unsigned default NULL COMMENT 'ordenable',
-  `fechaCompra` datetime NOT NULL COMMENT 'ordenable',
+  `fechaCompra` date NOT NULL COMMENT 'ordenable',
   PRIMARY KEY  (`id`),
   KEY `id` (`id`),
   KEY `id_Articulo` (`id_Articulo`),
@@ -65,7 +65,7 @@ SET @saved_cs_client     = @@character_set_client;
 SET character_set_client = utf8;
 CREATE TABLE `Ubicaciones` (
   `id` smallint(5) unsigned NOT NULL auto_increment,
-  `Descripcion` varchar(30) NOT NULL COMMENT 'ordenable',
+  `Descripcion` varchar(30) NOT NULL COMMENT 'ordenable,link/Ubicacion',
   PRIMARY KEY  (`id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=184 DEFAULT CHARSET=latin1;
 SET character_set_client = @saved_cs_client;