diff --git a/calendar.db b/calendar.db
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Binary files /dev/null and b/calendar.db differ
diff --git a/cheese b/cheese
deleted file mode 100644
index e69de29..0000000
diff --git a/cheese.py b/cheese.py
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--- /dev/null
+++ b/cheese.py
@@ -0,0 +1,85 @@
+import sqlite3
+
+DB_NAME = "calendar.db"
+
+conn = sqlite3.connect(DB_NAME)
+cur = conn.cursor()
+
+cur.execute("""
+CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    username TEXT NOT NULL UNIQUE,
+    password_hash TEXT NOT NULL
+);
+""")
+
+cur.execute("""
+CREATE TABLE IF NOT EXISTS rooms (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    owner_id INTEGER NOT NULL,
+    invite_code TEXT UNIQUE,
+
+    FOREIGN KEY (owner_id) REFERENCES users(id)
+);
+""")
+
+cur.execute("""
+CREATE TABLE IF NOT EXISTS room_members (
+    room_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
+    role TEXT NOT NULL DEFAULT 'member',
+
+    PRIMARY KEY (room_id, user_id),
+
+    FOREIGN KEY (room_id) REFERENCES rooms(id) ON DELETE CASCADE,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+""")
+
+cur.execute("""
+CREATE TABLE IF NOT EXISTS events (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    room_id INTEGER NOT NULL,
+    creator_id INTEGER NOT NULL,
+
+    type TEXT NOT NULL CHECK(type IN ('private', 'busy', 'proposal')),
+    title TEXT NOT NULL,
+    description TEXT,
+
+    start_time TEXT NOT NULL,
+    end_time TEXT NOT NULL,
+
+    visibility TEXT NOT NULL CHECK(visibility IN ('private', 'busy_only', 'room')),
+    status TEXT NOT NULL DEFAULT 'draft'
+        CHECK(status IN ('draft', 'proposed', 'confirmed', 'cancelled')),
+
+    min_people INTEGER DEFAULT 0,
+
+    FOREIGN KEY (room_id) REFERENCES rooms(id) ON DELETE CASCADE,
+    FOREIGN KEY (creator_id) REFERENCES users(id)
+);
+""")
+
+cur.execute("""
+CREATE TABLE IF NOT EXISTS event_signups (
+    event_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
+    status TEXT NOT NULL DEFAULT 'going'
+        CHECK(status IN ('going', 'maybe', 'declined')),
+
+    PRIMARY KEY (event_id, user_id),
+
+    FOREIGN KEY (event_id) REFERENCES events(id) ON DELETE CASCADE,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+""")
+
+conn.commit()
+
+print("Database aangemaakt.")
+print("Tabellen:")
+for row in cur.execute("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name;"):
+    print(" -", row[0])
+
+conn.close()
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