diff --git a/README.md b/README.md
index a5682df..cc1fb44 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,26 @@
 # mysql-tips
 
+## Creación de Usuarios
+
+```sh
+CREATE USER 'dotuser'@'localhost' IDENTIFIED BY 'In7hZl90dY7#';
+
+```
+## Conceder privilegios
+```sh
+# todos los privilegios
+GRANT ALL PRIVILEGES ON * . * TO 'newuser'@'localhost';
+#Desde afuera
+GRANT ALL PRIVILEGES ON * . * TO 'newuser'@'%';
+
+#privlegios especificos sobre una base
+GRANT CREATE,DROP,INSERT,SELECT,UPDATE,DELETE ON sumauser2021prod.* TO 'dotusercms'@'%';
+#Guardar
+flush privileges;
+```
+
+## Cambiar contraseña
+```sh
+update* user set password=PASSWORD('test!23') where user='alex'; 
+flush privileges;
+```