diff --git a/modeling/.python-version b/modeling/.python-version
new file mode 100644
index 0000000..bec3a35
--- /dev/null
+++ b/modeling/.python-version
@@ -0,0 +1 @@
+system
diff --git a/modeling/db/migrations/20180916062355-create_user.sql b/modeling/db/migrations/20180916062355-create_user.sql
new file mode 100644
index 0000000..13f0e45
--- /dev/null
+++ b/modeling/db/migrations/20180916062355-create_user.sql
@@ -0,0 +1,10 @@
+
+-- +migrate Up
+CREATE TABLE users (
+  id INT NOT NULL AUTO_INCREMENT,
+  name VARCHAR(255) NOT NULL,
+  PRIMARY KEY(id)
+);
+
+-- +migrate Down
+DROP TABLE users;
diff --git a/modeling/db/migrations/20180916062416-create_vegetables.sql b/modeling/db/migrations/20180916062416-create_vegetables.sql
new file mode 100644
index 0000000..dbc158a
--- /dev/null
+++ b/modeling/db/migrations/20180916062416-create_vegetables.sql
@@ -0,0 +1,10 @@
+
+-- +migrate Up
+CREATE TABLE vegetables (
+  id INT NOT NULL AUTO_INCREMENT,
+  name VARCHAR(255) NOT NULL,
+  PRIMARY KEY(id)
+);
+
+-- +migrate Down
+DROP TABLE vegetables;
diff --git a/modeling/db/migrations/20180916062433-create_order_history.sql b/modeling/db/migrations/20180916062433-create_order_history.sql
new file mode 100644
index 0000000..5f66fb8
--- /dev/null
+++ b/modeling/db/migrations/20180916062433-create_order_history.sql
@@ -0,0 +1,15 @@
+
+-- +migrate Up
+CREATE TABLE order_history (
+  id INT NOT NULL AUTO_INCREMENT,
+  user_id INT NOT NULL,
+  vegetable_id INT NOT NULL,
+  `date` DATE NOT NULL,
+  PRIMARY KEY(id),
+  FOREIGN KEY(user_id) REFERENCES users(id),
+  FOREIGN KEY(vegetable_id) REFERENCES vegetables(id)
+);
+
+
+-- +migrate Down
+DROP TABLE order_history;
\ No newline at end of file
diff --git a/modeling/db/migrations/20180916074217-create_pex.sql b/modeling/db/migrations/20180916074217-create_pex.sql
new file mode 100644
index 0000000..5ca83f8
--- /dev/null
+++ b/modeling/db/migrations/20180916074217-create_pex.sql
@@ -0,0 +1,11 @@
+-- +migrate Up
+CREATE TABLE pex (
+  pex_id VARCHAR(255) NOT NULL,
+  user_id INT NOT NULL,
+  PRIMARY KEY(pex_id),
+  FOREIGN KEY(user_id) REFERENCES users(id)
+);
+
+-- +migrate Down
+DROP TABLE pex;
+;
\ No newline at end of file
diff --git a/modeling/db/migrations/20180916074220-create_external_service.sql b/modeling/db/migrations/20180916074220-create_external_service.sql
new file mode 100644
index 0000000..f8771de
--- /dev/null
+++ b/modeling/db/migrations/20180916074220-create_external_service.sql
@@ -0,0 +1,10 @@
+
+-- +migrate Up
+CREATE TABLE external_service (
+  id INT NOT NULL AUTO_INCREMENT,
+  name VARCHAR(25) NOT NULL,
+  PRIMARY KEY(id)
+);
+
+-- +migrate Down
+DROP TABLE external_service;
diff --git a/modeling/db/migrations/20180916074229-create_point_exchange.sql b/modeling/db/migrations/20180916074229-create_point_exchange.sql
new file mode 100644
index 0000000..ccd0a49
--- /dev/null
+++ b/modeling/db/migrations/20180916074229-create_point_exchange.sql
@@ -0,0 +1,15 @@
+
+-- +migrate Up
+CREATE TABLE point_exchange (
+  id INT NOT NULL AUTO_INCREMENT,
+  point INT NOT NULL,
+  date DATE NOT NULL,
+  service_id INT NOT NULL,
+  user_id INT NOT NULL,
+  PRIMARY KEY(id),
+  FOREIGN KEY(service_id) REFERENCES external_service(id),
+  FOREIGN KEY(user_id) REFERENCES users(id)
+);
+
+-- +migrate Down
+DROP TABLE point_exchange;
diff --git a/modeling/db/migrations/20180916083413-create_vegetable_point.sql b/modeling/db/migrations/20180916083413-create_vegetable_point.sql
new file mode 100644
index 0000000..82c7505
--- /dev/null
+++ b/modeling/db/migrations/20180916083413-create_vegetable_point.sql
@@ -0,0 +1,14 @@
+
+-- +migrate Up
+CREATE TABLE vegetable_point (
+  id INT NOT NULL AUTO_INCREMENT,
+  vegetable_id INT NOT NULL,
+  point INT NOT NULL,
+  start DATE NOT NULL,
+  end DATE NOT NULL,
+  PRIMARY KEY(id),
+  FOREIGN KEY(vegetable_id) REFERENCES vegetables(id)
+);
+
+-- +migrate Down
+DROP TABLE vegetable_point;