diff --git a/tests/bakery_chain/bakery.rs b/tests/bakery_chain/bakery.rs
index 567eaa86..ff4577c8 100644
--- a/tests/bakery_chain/bakery.rs
+++ b/tests/bakery_chain/bakery.rs
@@ -37,6 +37,7 @@ impl PrimaryKeyTrait for PrimaryKey {
 #[derive(Copy, Clone, Debug, EnumIter)]
 pub enum Relation {
     Baker,
+    Order,
 }
 
 impl ColumnTrait for Column {
@@ -55,6 +56,7 @@ impl RelationTrait for Relation {
     fn def(&self) -> RelationDef {
         match self {
             Self::Baker => Entity::has_many(super::baker::Entity).into(),
+            Self::Order => Entity::has_many(super::order::Entity).into(),
         }
     }
 }
diff --git a/tests/bakery_chain/bakery_chain_erd.jpg b/tests/bakery_chain/bakery_chain_erd.jpg
index 7c9f2f91..578141d5 100644
Binary files a/tests/bakery_chain/bakery_chain_erd.jpg and b/tests/bakery_chain/bakery_chain_erd.jpg differ
diff --git a/tests/bakery_chain/customer.rs b/tests/bakery_chain/customer.rs
new file mode 100644
index 00000000..edbd9311
--- /dev/null
+++ b/tests/bakery_chain/customer.rs
@@ -0,0 +1,77 @@
+use sea_orm::entity::prelude::*;
+
+#[derive(Copy, Clone, Default, Debug, DeriveEntity)]
+pub struct Entity;
+
+impl EntityName for Entity {
+    fn table_name(&self) -> &str {
+        "customer"
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, DeriveModel, DeriveActiveModel)]
+pub struct Model {
+    pub id: i32,
+    pub name: String,
+    pub notes: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
+pub enum Column {
+    Id,
+    Name,
+    Notes,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DerivePrimaryKey)]
+pub enum PrimaryKey {
+    Id,
+}
+
+impl PrimaryKeyTrait for PrimaryKey {
+    fn auto_increment() -> bool {
+        true
+    }
+}
+
+#[derive(Copy, Clone, Debug, EnumIter)]
+pub enum Relation {
+    Order,
+}
+
+impl ColumnTrait for Column {
+    type EntityName = Entity;
+
+    fn def(&self) -> ColumnDef {
+        match self {
+            Self::Id => ColumnType::Integer.def(),
+            Self::Name => ColumnType::String(None).def(),
+            Self::Notes => ColumnType::Text.def(),
+        }
+    }
+}
+
+impl RelationTrait for Relation {
+    fn def(&self) -> RelationDef {
+        match self {
+            Self::Order => Entity::has_many(super::order::Entity)
+                .from(Column::Id)
+                .to(super::order::Column::CustomerId)
+                .into(),
+        }
+    }
+}
+
+impl Related<super::order::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Order.def()
+    }
+}
+
+impl Model {
+    pub fn find_orders(&self) -> Select<super::order::Entity> {
+        Entity::find_related().belongs_to::<Entity>(self)
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}
diff --git a/tests/bakery_chain/mod.rs b/tests/bakery_chain/mod.rs
index 6c1d8858..22f46f7f 100644
--- a/tests/bakery_chain/mod.rs
+++ b/tests/bakery_chain/mod.rs
@@ -1,2 +1,4 @@
 pub mod baker;
 pub mod bakery;
+pub mod customer;
+pub mod order;
diff --git a/tests/bakery_chain/order.rs b/tests/bakery_chain/order.rs
new file mode 100644
index 00000000..e3218018
--- /dev/null
+++ b/tests/bakery_chain/order.rs
@@ -0,0 +1,88 @@
+use sea_orm::entity::prelude::*;
+
+#[derive(Copy, Clone, Default, Debug, DeriveEntity)]
+pub struct Entity;
+
+impl EntityName for Entity {
+    fn table_name(&self) -> &str {
+        "order"
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, DeriveModel, DeriveActiveModel)]
+pub struct Model {
+    pub id: i32,
+    pub total: f32,
+    pub bakery_id: Option<i32>,
+    pub customer_id: Option<i32>,
+    pub placed_at: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
+pub enum Column {
+    Id,
+    Total,
+    BakeryId,
+    CustomerId,
+    PlacedAt,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DerivePrimaryKey)]
+pub enum PrimaryKey {
+    Id,
+}
+
+impl PrimaryKeyTrait for PrimaryKey {
+    fn auto_increment() -> bool {
+        true
+    }
+}
+
+#[derive(Copy, Clone, Debug, EnumIter)]
+pub enum Relation {
+    Bakery,
+    Customer,
+}
+
+impl ColumnTrait for Column {
+    type EntityName = Entity;
+
+    fn def(&self) -> ColumnDef {
+        match self {
+            Self::Id => ColumnType::Integer.def(),
+            Self::Total => ColumnType::Money(Some((19, 4))).def(),
+            Self::BakeryId => ColumnType::Integer.def(),
+            Self::CustomerId => ColumnType::Integer.def(),
+            Self::PlacedAt => ColumnType::DateTime.def(),
+        }
+    }
+}
+
+impl RelationTrait for Relation {
+    fn def(&self) -> RelationDef {
+        match self {
+            Self::Bakery => Entity::belongs_to(super::bakery::Entity)
+                .from(Column::BakeryId)
+                .to(super::bakery::Column::Id)
+                .into(),
+            Self::Customer => Entity::belongs_to(super::customer::Entity)
+                .from(Column::CustomerId)
+                .to(super::customer::Column::Id)
+                .into(),
+        }
+    }
+}
+
+impl Related<super::bakery::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Bakery.def()
+    }
+}
+
+impl Related<super::customer::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Customer.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}
diff --git a/tests/bakery_chain_tests.rs b/tests/bakery_chain_tests.rs
index 1a2c92a0..66a7c985 100644
--- a/tests/bakery_chain_tests.rs
+++ b/tests/bakery_chain_tests.rs
@@ -13,11 +13,13 @@ async fn main() {
 }
 
 async fn setup_schema(db: &DbConn) {
-    assert!(create_bakery(db).await.is_ok());
-    assert!(create_baker(db).await.is_ok());
+    assert!(create_bakery_table(db).await.is_ok());
+    assert!(create_baker_table(db).await.is_ok());
+    assert!(create_customer_table(db).await.is_ok());
+    assert!(create_order_table(db).await.is_ok());
 }
 
-async fn create_bakery(db: &DbConn) -> Result<ExecResult, ExecErr> {
+async fn create_bakery_table(db: &DbConn) -> Result<ExecResult, ExecErr> {
     let stmt = sea_query::Table::create()
         .table(bakery::Entity)
         .if_not_exists()
@@ -35,7 +37,7 @@ async fn create_bakery(db: &DbConn) -> Result<ExecResult, ExecErr> {
     db.execute(stmt.into()).await
 }
 
-async fn create_baker(db: &DbConn) -> Result<ExecResult, ExecErr> {
+async fn create_baker_table(db: &DbConn) -> Result<ExecResult, ExecErr> {
     let stmt = sea_query::Table::create()
         .table(baker::Entity)
         .if_not_exists()
@@ -58,5 +60,67 @@ async fn create_baker(db: &DbConn) -> Result<ExecResult, ExecErr> {
         )
         .build(SqliteQueryBuilder);
 
-    db.execute(stmt.clone().into()).await
+    db.execute(stmt.into()).await
+}
+
+async fn create_customer_table(db: &DbConn) -> Result<ExecResult, ExecErr> {
+    let stmt = sea_query::Table::create()
+        .table(customer::Entity)
+        .if_not_exists()
+        .col(
+            ColumnDef::new(customer::Column::Id)
+                .integer()
+                .not_null()
+                .auto_increment()
+                .primary_key(),
+        )
+        .col(ColumnDef::new(customer::Column::Name).string())
+        .col(ColumnDef::new(customer::Column::Notes).text())
+        .build(SqliteQueryBuilder);
+
+    db.execute(stmt.into()).await
+}
+
+async fn create_order_table(db: &DbConn) -> Result<ExecResult, ExecErr> {
+    let stmt = sea_query::Table::create()
+        .table(order::Entity)
+        .if_not_exists()
+        .col(
+            ColumnDef::new(order::Column::Id)
+                .integer()
+                .not_null()
+                .auto_increment()
+                .primary_key(),
+        )
+        .col(ColumnDef::new(order::Column::Total).float())
+        .col(ColumnDef::new(order::Column::BakeryId).integer().not_null())
+        .col(
+            ColumnDef::new(order::Column::CustomerId)
+                .integer()
+                .not_null(),
+        )
+        .col(
+            ColumnDef::new(order::Column::PlacedAt)
+                .date_time()
+                .not_null(),
+        )
+        .foreign_key(
+            ForeignKey::create()
+                .name("FK_order_bakery")
+                .from(order::Entity, baker::Column::BakeryId)
+                .to(bakery::Entity, bakery::Column::Id)
+                .on_delete(ForeignKeyAction::Cascade)
+                .on_update(ForeignKeyAction::Cascade),
+        )
+        .foreign_key(
+            ForeignKey::create()
+                .name("FK_order_customer")
+                .from(order::Entity, baker::Column::BakeryId)
+                .to(customer::Entity, customer::Column::Id)
+                .on_delete(ForeignKeyAction::Cascade)
+                .on_update(ForeignKeyAction::Cascade),
+        )
+        .build(SqliteQueryBuilder);
+
+    db.execute(stmt.into()).await
 }