diff --git a/Cargo.lock b/Cargo.lock
index 356c380..10b622b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,12 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "diesel"
 version = "2.0.0"
@@ -55,6 +61,17 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "idna"
 version = "0.3.0"
@@ -65,6 +82,12 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "libc"
+version = "0.2.132"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"
+
 [[package]]
 name = "mysqlclient-sys"
 version = "0.2.5"
@@ -87,6 +110,12 @@ version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -129,12 +158,43 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "reentrada"
 version = "0.1.0"
 dependencies = [
  "diesel",
  "dotenv",
+ "uuid",
 ]
 
 [[package]]
@@ -195,6 +255,28 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "uuid"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd6469f4314d5f1ffec476e05f17cc9a78bc7a27a6a857842170bdf8d6f98d2f"
+dependencies = [
+ "getrandom",
+ "rand",
+ "uuid-macro-internal",
+]
+
+[[package]]
+name = "uuid-macro-internal"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "548f7181a5990efa50237abb7ebca410828b57a8955993334679f8b50b35c97d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -206,3 +288,9 @@ name = "version_check"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
diff --git a/Cargo.toml b/Cargo.toml
index a780026..ec331fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,3 +8,11 @@ edition = "2021"
 [dependencies]
 diesel = { version = "2.0.0", features = ["mysql"] }
 dotenv = "0.15.0"
+
+[dependencies.uuid]
+version = "1.1.2"
+features = [
+    "v4",                # Lets you generate random UUIDs
+    "fast-rng",          # Use a faster (but still sufficiently random) RNG
+    "macro-diagnostics", # Enable better diagnostics for compile-time UUIDs
+]
diff --git a/diesel.toml b/diesel.toml
new file mode 100644
index 0000000..35a12ff
--- /dev/null
+++ b/diesel.toml
@@ -0,0 +1,8 @@
+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"
+
+[migrations_directory]
+dir = "migrations"
diff --git a/migrations/2022-09-14-140919_create_player/down.sql b/migrations/2022-09-14-140919_create_player/down.sql
new file mode 100644
index 0000000..d4bd032
--- /dev/null
+++ b/migrations/2022-09-14-140919_create_player/down.sql
@@ -0,0 +1 @@
+DROP TABLE player
diff --git a/migrations/2022-09-14-140919_create_player/up.sql b/migrations/2022-09-14-140919_create_player/up.sql
new file mode 100644
index 0000000..1ebd1bc
--- /dev/null
+++ b/migrations/2022-09-14-140919_create_player/up.sql
@@ -0,0 +1,10 @@
+CREATE TABLE player (
+    tag varchar(100) NOT NULL,
+    nombre varchar(100) NOT NULL,
+    descripcion varchar(2048) NOT NULL,
+    location varchar(100) NOT NULL,
+    ca int NOT NULL,
+    ba int NOT NULL,
+    hp int NOT NULL,
+    CONSTRAINT PK_Player PRIMARY KEY (tag)
+)
diff --git a/src/main.rs b/src/main.rs
index 34f2c73..1dc3883 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,6 +8,7 @@ pub mod database;
 
 // use crate::player::Player;
 use crate::rlib::set_player;
+use crate::player::update_player;
 
 fn main() {
     // intro
@@ -30,7 +31,7 @@ fn main() {
     let mut output: String;
     let mut player = set_player();
 
-    println!("Bienvenido {}. Vamos a empezar a jugar...", player.name);
+    println!("Bienvenido {}. Vamos a empezar a jugar...", player.nombre);
     println!("");
     println!("Despiertas en la oscuridad con un fuerte dolor de cabeza.");
     println!("Un fuerte sonido de alarma machaca tus oídos. No ayuda nada a tu dolor de cabeza.");
@@ -41,6 +42,7 @@ fn main() {
         command = rlib::get_input();
         output = rlib::update_state(&mut player, &command);
         rlib::update_screen(output);
+        update_player(&player).expect("Error actualizando jugador!!");
     }
 
     // salir
diff --git a/src/models.rs b/src/models.rs
index 2f79d21..82903d9 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -1,6 +1,8 @@
 use diesel::prelude::*;
+use crate::schema::*;
 
 #[derive(Queryable)]
+#[diesel(table_name = location)]
 pub struct RLocation {
     pub tag: String,
     pub nombre: Option<String>,
@@ -13,7 +15,8 @@ pub struct RLocation {
     pub salida_abajo: Option<String>,
 }
 
-#[derive(Queryable)]
+#[derive(Queryable, Insertable)]
+#[diesel(table_name = object)]
 pub struct RObject {
     pub tag: String,
     pub nombre: String,
@@ -22,8 +25,22 @@ pub struct RObject {
     pub peso: i32,
 }
 
-#[derive(Queryable)]
-pub struct Rnpc {
+// #[derive(Queryable, Insertable)]
+// #[diesel(table_name = npc)]
+// pub struct Rnpc {
+//     pub tag: String,
+//     pub nombre: String,
+//     pub descripcion: String,
+//     pub location: String,
+//     pub ca: i32,
+//     pub ba: i32,
+//     pub hp: i32,
+// }
+
+#[derive(Queryable, Insertable, AsChangeset)]
+#[diesel(table_name = player)]
+#[diesel(primary_key(tag))]
+pub struct Player {
     pub tag: String,
     pub nombre: String,
     pub descripcion: String,
diff --git a/src/player.rs b/src/player.rs
index 2a32faa..167969b 100644
--- a/src/player.rs
+++ b/src/player.rs
@@ -1,9 +1,35 @@
 use crate::objects::{get_objects, get_object_here, update_object_location};
+use crate::models::Player;
+use crate::database::establish_connection;
+use diesel::prelude::*;
 
-pub struct Player {
-    pub tag: String,
-    pub name: String,
-    pub location: String,
+// get_player le o xogador polo nick
+pub fn get_player(nome: String) -> Result<Player, diesel::result::Error> {
+    use  crate::schema::player::dsl::*;
+    let conn = &mut establish_connection();
+    player
+        .filter(nombre.eq(nome))
+        .first(conn)
+}
+
+// create_player garda o xogador
+pub fn create_player(newplayer: &Player) -> Result<usize, diesel::result::Error> { 
+    use  crate::schema::player;
+    let conn = &mut establish_connection();
+
+    diesel::insert_into(player::table)
+        .values(newplayer)
+        .execute(conn)
+}
+
+// update_player actualiza o xogador
+pub fn update_player(newplayer: &Player) -> Result<usize, diesel::result::Error> {
+    use  crate::schema::player;
+    let conn = &mut establish_connection();
+
+    diesel::update(player::table)
+        .set(newplayer)  // co trait AsChangeSet podese actualizar a struct enteira
+        .execute(conn)
 }
 
 // execute_search mostra os obxetos na ubicación do xogador
diff --git a/src/rlib.rs b/src/rlib.rs
index f62203e..7cfb44e 100644
--- a/src/rlib.rs
+++ b/src/rlib.rs
@@ -1,6 +1,8 @@
 use std::io::{self, Write};
 use crate::rlocation::{execute_go, execute_look};
-use crate::player::{Player, execute_search, execute_inventory, execute_pick, execute_drop};
+use crate::player::*;
+use crate::models::Player;
+use uuid::Uuid;
 
 pub struct Command {
     pub verb: String,
@@ -40,12 +42,27 @@ pub fn set_player() -> Player {
     // parse
     let nick = input_str.trim();
 
-    // instance player
-    let player = Player{
-        tag: "player1".to_string() , 
-        name: nick.to_string(),
-        location: "0".to_string()
-    };
+    //comprobar si existe
+    // si existe instanciase o que xa está na base de datos
+    // si non existe instanciase o novo e gárdase na base de datos
+    let player: Player;
+
+    let check_player = get_player(nick.to_string());
+    if check_player.is_ok() {
+        player = check_player.unwrap();
+    } else {
+        player = Player{
+            tag: Uuid::new_v4().to_string(),
+            nombre: nick.to_string(),
+            descripcion: "humano, equipo básico".to_string(),
+            location: "0".to_string(),
+            ca: 10,
+            ba: 0,
+            hp: 8,
+        };
+
+        create_player(&player).expect("Error creando jugador!!");
+    }
 
     // return
     player
diff --git a/src/rlocation.rs b/src/rlocation.rs
index 7af4bb2..1e6c51c 100644
--- a/src/rlocation.rs
+++ b/src/rlocation.rs
@@ -1,4 +1,3 @@
-use crate::player::Player;
 use crate::objects::get_object_here;
 
 use crate::models::*;
diff --git a/src/schema.rs b/src/schema.rs
index dbfb587..8a89cf3 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -24,7 +24,20 @@ diesel::table! {
     }
 }
 
+diesel::table! {
+    player (tag) {
+        tag -> Varchar,
+        nombre -> Varchar,
+        descripcion -> Varchar,
+        location -> Varchar,
+        ca -> Integer,
+        ba -> Integer,
+        hp -> Integer,
+    }
+}
+
 diesel::allow_tables_to_appear_in_same_query!(
     location,
     object,
+    player,
 );