diff --git a/20250108/database.sql b/20250108/database.sql
new file mode 100644
index 0000000..4353edb
--- /dev/null
+++ b/20250108/database.sql
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+CREATE DATABASE autoberles CHARACTER SET = "utf8" COLLATE = "utf8_hungarian_ci";
+
+use autoberles;
+
+CREATE TABLE berlok (id INT PRIMARY KEY AUTO_INCREMENT,
+    nev VARCHAR(100) NOT NULL,
+    jogositvany VARCHAR(15) NOT NULL,
+    telefonszam VARCHAR(20)
+);
+
+CREATE TABLE autok(
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    rendszam VARCHAR(6) UNIQUE NOT NULL,
+    tipus VARCHAR(100) NOT NULL,
+    evjarat YEAR,
+    szin VARCHAR(30)
+);
+
+CREATE TABLE kolcsonzes(
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    berloid INT NOT NULL,
+    autoid INT NOT NULL,
+    berletkezdete DATE NOT NULL,
+    napokszama INT,
+    napidij FLOAT(12,3) NOT NULL
+);
+
+ALTER TABLE kolcsonzes ADD CONSTRAINT
+kolcsonzes_berlok_fk FOREIGN KEY (berloid)
+REFERENCES berlok(id) ON UPDATE CASCADE;
+
+ALTER TABLE kolcsonzes ADD CONSTRAINT
+kolcsonzes_autok_fk FOREIGN KEY (autoid)
+REFERENCES autok(id) ON UPDATE CASCADE;
+
+
+INSERT INTO autok (rendszam, tipus, evjarat, szin) VALUES
+    ("ABC456", "Ford Ka", 2003, "Pink"),
+    ("ABC123", "Volkswagen Golf", 2011, "Fehér"),
+    ("ABC157", "Ford Mondeo", 2015, "Fekete"),
+    ("ABC448", "Volkswagen Golf", 2012, "Kék")
+;
+
+INSERT INTO berlok (nev, jogositvany, telefonszam) VALUES
+    ("Kandúr Károly", "LR337157", "06-41-334112"),
+    ("Gipsz Jakab", "VE445112", "06-41-555223")
+;
+
+INSERT INTO kolcsonzes (berloid, autoid, berletkezdete, napokszama, napidij) VALUES
+    ((SELECT id FROM berlok WHERE nev LIKE "Kandúr Károly"), (SELECT id FROM autok WHERE rendszam LIKE "ABC157") ,"2017.04.23", NULL, 12500),
+    ((SELECT id FROM berlok WHERE nev LIKE "Gipsz Jakab"), (SELECT id FROM autok WHERE rendszam LIKE "ABC123") ,"2017.04.25", NULL, 9999)
+;
+
+UPDATE kolcsonzes SET napokszama = 6
+WHERE berloid IN (SELECT id FROM berlok WHERE nev LIKE "Kandúr Károly");
+
+CREATE VIEW Kandur_Karoly_fizetendo AS
+SELECT berlok.nev, SUM(kolcsonzes.napidij * kolcsonzes.napokszama) AS `Fizetendo`
+FROM kolcsonzes
+INNER JOIN berlok ON kolcsonzes.berloid = berlok.id 
+GROUP BY kolcsonzes.berloid
+HAVING kolcsonzes.berloid IN 
+(SELECT id FROM berlok WHERE berlok.nev LIKE "Kandúr Károly");
+
+CREATE VIEW kolcsonzes_alatt_levo_autok AS
+SELECT berlok.nev AS `Nev`,
+autok.rendszam AS `Rendszam`
+FROM kolcsonzes
+INNER JOIN berlok ON kolcsonzes.berloid = berlok.id
+INNER JOIN autok ON kolcsonzes.autoid = autok.id
+WHERE kolcsonzes.napokszama IS NULL;
+
+
+
+CREATE USER IF NOT EXISTS titkar;
+
+SELECT user from mysql.user;
+
+GRANT SELECT (berloid) ON kolcsonzes TO titkar;
+GRANT UPDATE (Fizetendo) ON Kandur_Karoly_fizetendo TO titkar WITH GRANT OPTION;
+GRANT DELETE ON kolcsonzes_alatt_levo_autok TO titkar;
+
+REVOKE
+
+