diff --git a/ER.png b/ER.png
new file mode 100644
index 0000000..eb83e0a
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diff --git a/UML.png b/UML.png
new file mode 100644
index 0000000..7e31f69
Binary files /dev/null and b/UML.png differ
diff --git a/db/SQLiteClient.py b/db/SQLiteClient.py
index 345fb51..2b6bc09 100644
--- a/db/SQLiteClient.py
+++ b/db/SQLiteClient.py
@@ -41,10 +41,10 @@ def get_user_by_email(email: str):
     return user
 
 
-def create_habit(name: str, times: int, note: str | None=None):
+def create_habit(name: str, user_id: int, times: int, unit: int, note: str | None=None):
     now = datetime.now().isoformat()
-    query = (f"INSERT INTO habits (name, note, times, created_at, updated_at) VALUES ('{name}', '{note}', "
-             f"'{times}', '{now}', '{now}');")
+    query = (f"INSERT INTO habits (user_id, name, note, times, unit, created_at, updated_at) VALUES ('{user_id}', "
+             f"'{name}', '{note}', '{times}', '{unit}', '{now}', '{now}');")
     conn = con3()
     cursor = conn.cursor()
     cursor.execute(query)
@@ -53,16 +53,6 @@ def create_habit(name: str, times: int, note: str | None=None):
     return cursor.lastrowid
 
 
-def get_habits():
-    query = f"SELECT * FROM habits;"
-    conn = con3()
-    cursor = conn.cursor()
-    cursor.execute(query)
-    habits = cursor.fetchone()
-    conn.close()
-    return habits
-
-
 def get_habit(id: int):
     query = f"SELECT * FROM habits WHERE id = {id};"
     conn = con3()
@@ -70,4 +60,14 @@ def get_habit(id: int):
     cursor.execute(query)
     habits = cursor.fetchone()
     conn.close()
+    return habits
+
+
+def get_habits():
+    query = f"SELECT * FROM habits;"
+    conn = con3()
+    cursor = conn.cursor()
+    cursor.execute(query)
+    habits = cursor.fetchone()
+    conn.close()
     return habits
\ No newline at end of file
diff --git a/db/migrations/1705398235_delete_habits_table.sql b/db/migrations/1705398235_delete_habits_table.sql
new file mode 100644
index 0000000..8d667a0
--- /dev/null
+++ b/db/migrations/1705398235_delete_habits_table.sql
@@ -0,0 +1 @@
+DROP TABLE habits;
diff --git a/db/migrations/1705398327_habits_table.sql b/db/migrations/1705398327_habits_table.sql
new file mode 100644
index 0000000..d92838b
--- /dev/null
+++ b/db/migrations/1705398327_habits_table.sql
@@ -0,0 +1,12 @@
+CREATE TABLE IF NOT EXISTS habits
+(
+    id         INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id    INTEGER,
+    name       TEXT NOT NULL,
+    note       TEXT,
+    times      INTEGER NOT NULL,
+    unit       INTEGER,
+    created_at TEXT NOT NULL,
+    updated_at TEXT NOT NULL,
+    FOREIGN KEY (user_id) REFERENCES users(id)
+);
\ No newline at end of file
diff --git a/models/Habit.py b/models/Habit.py
index 60d54fa..82a30a8 100644
--- a/models/Habit.py
+++ b/models/Habit.py
@@ -1,28 +1,36 @@
 from dataclasses import dataclass
 from db.SQLiteClient import create_habit, get_habits, get_habit
 
+# Unit wird als Integers wie folgt gemessen:
+# 0: Tag
+# 1: Woche
+# 2: Monal
+# 3: Jahr
+
 @dataclass
 class Habit:
     id: int
+    user_id: int
     name: str
     note: str
     times: int
+    unit: int
 
     @staticmethod
-    def create(name: str, times: int, note: str | None=None):
-        id = create_habit(name, note, times)
-        return Habit(id, name, note, times)
+    def create(user_id: int, name: str, times: int, unit: int, note: str | None=None):
+        id = create_habit(user_id, name, note, times, unit)
+        return Habit(id, user_id, name, note, times, unit)
 
     @staticmethod
     def get(id: int):
         habit = get_habit(id)
-        return Habit(habit[0], habit[1], habit[2], habit[3]) if habit else None
+        return Habit(habit[0], habit[1], habit[2], habit[3], habit[4], habit[5]) if habit else None
 
     @staticmethod
     def get_all():
         raw_habits = get_habits()
         habits = []
         for habit in raw_habits:
-            habit = Habit(habit[0], habit[1], habit[2], habit[3])
+            habit = Habit(habit[0], habit[1], habit[2], habit[3], habit[4], habit[5])
             habits.append(habit)
         return habits if habits else None
\ No newline at end of file