diff --git a/guestbook.db b/guestbook.db
new file mode 100644
index 0000000..fe31537
Binary files /dev/null and b/guestbook.db differ
diff --git a/index.php b/index.php
new file mode 100644
index 0000000..330b580
--- /dev/null
+++ b/index.php
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html lang="ca">
+<head>
+	<meta charset="utf-8"/>
+	<title>Guestbook</title>
+</head>
+<body>
+	hola
+</body>
+</html>
diff --git a/persistence.php b/persistence.php
new file mode 100644
index 0000000..91c04ae
--- /dev/null
+++ b/persistence.php
@@ -0,0 +1,15 @@
+<?php
+
+createDB();
+
+function createDB()
+{
+	$db = new SQLite3('guestbook.db');
+	$db->exec("CREATE TABLE user
+		(id_user INTEGER PRIMARY KEY, username TEXT NOT NULL UNIQUE, password TEXT)");
+	$db->exec("CREATE TABLE message
+		(id_msg INTEGER PRIMARY KEY, id_user INT, content TEXT NOT NULL, 
+			FOREIGN KEY (id_user) REFERENCES user (id_user))");
+}
+
+
