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+CREATE DATABASE AG;
+USE AG;
+
+CREATE TABLE schueler (
+    SNR int PRIMARY KEY,
+    Name varchar(255),
+    Vorname varchar(255),
+    Klasse int
+);
+
+CREATE TABLE lehrkraft (
+    Kuerzel varchar(3) PRIMARY KEY,
+    Name varchar(255),
+    Vorname varchar(255)
+);
+
+CREATE TABLE ag (
+    AGName varchar(255) PRIMARY KEY,
+    Raum varchar(255),
+    Tag date,
+    Stunden time,
+    AnzahlSus int,
+    Kuerzel varchar(3),
+    FOREIGN KEY (Kuerzel) REFERENCES lehrkraft(Kuerzel)
+);
+
+CREATE TABLE veranstaltung (
+    verNr int PRIMARY KEY,
+    Dauer time,
+    Ende date,
+    Start date,
+    Bezeichnung varchar(255),
+    AGName varchar(255),
+    FOREIGN KEY (AGName) REFERENCES ag(AGName)
+);
+
+CREATE TABLE besucht (
+    AGName varchar(255),
+    SNR int,
+    PRIMARY KEY (AGName, SNR),
+    FOREIGN KEY (AGName) REFERENCES ag(AGName),
+    FOREIGN KEY (SNR) REFERENCES schueler(SNR)
+);