diff --git a/src/constants/start.pgsql b/src/constants/start.pgsql
new file mode 100644
index 0000000..c6ea4a9
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+++ b/src/constants/start.pgsql
@@ -0,0 +1,75 @@
+-- Extensions ----------------------------------------------------
+
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+CREATE EXTENSION IF NOT EXISTS "pgcrypto";
+
+-- Table Definition ----------------------------------------------
+
+CREATE TABLE IF NOT EXISTS users(
+    id uuid DEFAULT uuid_generate_v4() PRIMARY KEY,
+    username character varying(32) NOT NULL,
+    granblue_id integer,
+    email text NOT NULL,
+    password text NOT NULL,
+    created_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE parties (
+    id uuid DEFAULT uuid_generate_v4() PRIMARY KEY,
+    hash character varying(10),
+    weapons uuid[],
+    characters uuid[],
+    summons uuid[],
+    created_at timestamp with time zone DEFAULT CURRENT_TIMESTAMP,
+    updated_at timestamp with time zone DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE grid_weapons (
+    id uuid DEFAULT uuid_generate_v4() PRIMARY KEY,
+    weapon_id uuid REFERENCES weapons(id),
+    grid_id uuid,
+    uncap_level integer,
+    weapon_key1_id uuid REFERENCES weapon_keys(id),
+    weapon_key2_id uuid REFERENCES weapon_keys(id),
+    position integer
+);
+
+CREATE TABLE weapons (
+    id uuid DEFAULT uuid_generate_v4() PRIMARY KEY,
+    name_en text,
+    rarity integer,
+    element integer,
+    weapon_type integer,
+    granblue_id integer,
+    name_jp text,
+    max_level text,
+    max_skill_level text,
+    min_hp text,
+    max_hp text,
+    max_hp_flb text,
+    max_hp_ulb text,
+    min_atk text,
+    max_atk text,
+    max_atk_flb text,
+    max_atk_ulb text,
+    weapon_series text,
+    flb boolean NOT NULL DEFAULT false,
+    ulb boolean NOT NULL DEFAULT false
+);
+
+CREATE TABLE weapon_keys (
+    id uuid DEFAULT uuid_generate_v4() PRIMARY KEY,
+    name_en text,
+    name_jp text,
+    weapon_key_series integer,
+    weapon_key_type integer
+);
+
+-- Indices -------------------------------------------------------
+
+CREATE UNIQUE INDEX users_pkey ON users(id uuid_ops);
+CREATE UNIQUE INDEX parties_pkey ON parties(id uuid_ops);
+CREATE UNIQUE INDEX grid_weapons_pkey ON grid_weapons(id uuid_ops);
+CREATE UNIQUE INDEX weapons_pkey ON weapons(id uuid_ops);
+CREATE UNIQUE INDEX weapon_keys_pkey ON weapon_keys(id uuid_ops);