diff --git a/package.json b/package.json
index 12ca378..380f48b 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@antelopejs/interface-api-util": "^0.1.1",
     "@antelopejs/interface-core": "^0.0.5",
     "@antelopejs/interface-database": "^0.1.3",
-    "@antelopejs/interface-database-decorators": "^0.1.3",
+    "@antelopejs/interface-database-decorators": "^0.1.4",
     "@biomejs/biome": "2.3.2",
     "@types/chai": "^4.3.20",
     "@types/mocha": "^10.0.10",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 56d6dee..5f59edb 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -21,8 +21,8 @@ importers:
         specifier: ^0.1.3
         version: 0.1.3(@antelopejs/interface-core@0.0.5)
       '@antelopejs/interface-database-decorators':
-        specifier: ^0.1.3
-        version: 0.1.3(@antelopejs/interface-api@0.0.5(@antelopejs/interface-core@0.0.5))(@antelopejs/interface-core@0.0.5)(@antelopejs/interface-database@0.1.3(@antelopejs/interface-core@0.0.5))
+        specifier: ^0.1.4
+        version: 0.1.4(@antelopejs/interface-api@0.0.5(@antelopejs/interface-core@0.0.5))(@antelopejs/interface-core@0.0.5)(@antelopejs/interface-database@0.1.3(@antelopejs/interface-core@0.0.5))
       '@biomejs/biome':
         specifier: 2.3.2
         version: 2.3.2
@@ -73,8 +73,8 @@ packages:
   '@antelopejs/interface-core@0.0.5':
     resolution: {integrity: sha512-4H6hpFfiK2+DE8vL2mEtPbq1WNch9lt40QNr9KjBrOAtnuq/zMfIlzhbEsda39m+FVkMWXfUYoVolRogVKCLIQ==}
 
-  '@antelopejs/interface-database-decorators@0.1.3':
-    resolution: {integrity: sha512-yPSP7cYh/7nhj1y2bOWvJ1idErWqI4EsYppVg3XOy7KEaZ+RvKodwFYDle0dqsFp9UNtR8p3m0bg0YasZrAayA==}
+  '@antelopejs/interface-database-decorators@0.1.4':
+    resolution: {integrity: sha512-jjy0ZGH7sBcuPQpsa6jdsYCzg1WzmrA/QS0nqSdrBWsHVOBVEVXgFG1LJLduEgb8WcJrN75rVZUiYebgT6cSag==}
     peerDependencies:
       '@antelopejs/interface-api': '>=0.0.3 <1.0.0'
       '@antelopejs/interface-core': '>=0.0.3 <1.0.0'
@@ -359,8 +359,8 @@ packages:
   '@types/whatwg-url@11.0.5':
     resolution: {integrity: sha512-coYR071JRaHa+xoEvvYqvnIHaVqaYrLPbsufM9BF63HkwI5Lgmy2QR8Q5K/lYDYo5AK82wOvSOS0UsLTpTG7uQ==}
 
-  acorn@8.16.0:
-    resolution: {integrity: sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==}
+  acorn@8.17.0:
+    resolution: {integrity: sha512-xRQbDb9BnwDafYNn6Vwl839DYVjqXYb1XVGtWAZ1kcDc6iwAL4hg3B1dZlRiuENFeO2H53gFG3in621AdERVAg==}
     engines: {node: '>=0.4.0'}
     hasBin: true
 
@@ -1337,8 +1337,8 @@ packages:
     engines: {node: '>=14.17'}
     hasBin: true
 
-  ufo@1.6.3:
-    resolution: {integrity: sha512-yDJTmhydvl5lJzBmy/hyOAA0d+aqCBuwl818haVdYCRrWV84o7YyeVm4QlVHStqNrrJSTb6jKuFAVqAFsr+K3Q==}
+  ufo@1.6.4:
+    resolution: {integrity: sha512-JFNbkD1Svwe0KvGi8GOeLcP4kAWQ609twvCdcHxq1oSL8svv39ZuSvajcD8B+5D0eL4+s1Is2D/O6KN3qcTeRA==}
 
   undici-types@6.21.0:
     resolution: {integrity: sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==}
@@ -1385,8 +1385,8 @@ packages:
   yallist@4.0.0:
     resolution: {integrity: sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==}
 
-  yaml@2.8.3:
-    resolution: {integrity: sha512-AvbaCLOO2Otw/lW5bmh9d/WEdcDFdQp2Z2ZUH3pX9U2ihyUY0nvLv7J6TrWowklRGPYbB/IuIMfYgxaCPg5Bpg==}
+  yaml@2.9.0:
+    resolution: {integrity: sha512-2AvhNX3mb8zd6Zy7INTtSpl1F15HW6Wnqj0srWlkKLcpYl/gMIMJiyuGq2KeI2YFxUPjdlB+3Lc10seMLtL4cA==}
     engines: {node: '>= 14.6'}
     hasBin: true
 
@@ -1421,7 +1421,7 @@ snapshots:
     dependencies:
       reflect-metadata: 0.2.2
 
-  '@antelopejs/interface-database-decorators@0.1.3(@antelopejs/interface-api@0.0.5(@antelopejs/interface-core@0.0.5))(@antelopejs/interface-core@0.0.5)(@antelopejs/interface-database@0.1.3(@antelopejs/interface-core@0.0.5))':
+  '@antelopejs/interface-database-decorators@0.1.4(@antelopejs/interface-api@0.0.5(@antelopejs/interface-core@0.0.5))(@antelopejs/interface-core@0.0.5)(@antelopejs/interface-database@0.1.3(@antelopejs/interface-core@0.0.5))':
     dependencies:
       '@antelopejs/interface-api': 0.0.5(@antelopejs/interface-core@0.0.5)
       '@antelopejs/interface-core': 0.0.5
@@ -1688,7 +1688,7 @@ snapshots:
     dependencies:
       '@types/webidl-conversions': 7.0.3
 
-  acorn@8.16.0: {}
+  acorn@8.17.0: {}
 
   agent-base@7.1.4: {}
 
@@ -1836,7 +1836,7 @@ snapshots:
       scule: 1.3.0
       semver: 7.7.4
       std-env: 3.10.0
-      yaml: 2.8.3
+      yaml: 2.9.0
     transitivePeerDependencies:
       - magicast
 
@@ -2219,10 +2219,10 @@ snapshots:
 
   mlly@1.8.2:
     dependencies:
-      acorn: 8.16.0
+      acorn: 8.17.0
       pathe: 2.0.3
       pkg-types: 1.3.1
-      ufo: 1.6.3
+      ufo: 1.6.4
 
   mongodb-connection-string-url@3.0.2:
     dependencies:
@@ -2297,7 +2297,7 @@ snapshots:
       pathe: 2.0.3
       pkg-types: 1.3.1
       tinyexec: 0.3.2
-      ufo: 1.6.3
+      ufo: 1.6.4
 
   nypm@0.6.5:
     dependencies:
@@ -2309,7 +2309,7 @@ snapshots:
     dependencies:
       destr: 2.0.5
       node-fetch-native: 1.6.7
-      ufo: 1.6.3
+      ufo: 1.6.4
 
   ohash@1.1.6: {}
 
@@ -2665,7 +2665,7 @@ snapshots:
 
   typescript@5.9.3: {}
 
-  ufo@1.6.3: {}
+  ufo@1.6.4: {}
 
   undici-types@6.21.0: {}
 
@@ -2704,7 +2704,7 @@ snapshots:
 
   yallist@4.0.0: {}
 
-  yaml@2.8.3: {}
+  yaml@2.9.0: {}
 
   yargs-parser@21.1.1: {}
 
diff --git a/src/tests/components/access_control.test.ts b/src/tests/components/access_control.test.ts
index b1cb2b3..57d00cb 100644
--- a/src/tests/components/access_control.test.ts
+++ b/src/tests/components/access_control.test.ts
@@ -13,6 +13,7 @@ import {
 import type { SchemaInstance } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
@@ -38,10 +39,16 @@ class User extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare email: string;
 
+  @Field("string")
   declare password: string;
+
+  @Field("string")
   declare name: string;
+
+  @Field("number")
   declare age: number;
 }
 class UserModel extends BasicDataModel(User, userTableName) {}
diff --git a/src/tests/components/computed.test.ts b/src/tests/components/computed.test.ts
index df642b8..0a54f85 100644
--- a/src/tests/components/computed.test.ts
+++ b/src/tests/components/computed.test.ts
@@ -19,10 +19,12 @@ import {
 import { Schema, type ValueProxy } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
   RegisterTable,
+  Relation,
   Table,
 } from "@antelopejs/interface-database-decorators";
 import { expect } from "chai";
@@ -44,6 +46,8 @@ const schemaName = "default";
 @RegisterTable(groupTableName, schemaName)
 class Group extends Table {
   declare _id: string;
+
+  @Field("string")
   declare name: string;
 }
 class GroupModel extends BasicDataModel(Group, groupTableName) {}
@@ -51,8 +55,13 @@ class GroupModel extends BasicDataModel(Group, groupTableName) {}
 @RegisterTable(deviceTableName, schemaName)
 class Device extends Table {
   declare _id: string;
+
   @Index()
+  @Field("string")
+  @Relation({ to: () => Group })
   declare group_id: string;
+
+  @Field("string")
   declare label: string;
 }
 class DeviceModel extends BasicDataModel(Device, deviceTableName) {}
diff --git a/src/tests/components/foreign_joined.test.ts b/src/tests/components/foreign_joined.test.ts
index cc4a75f..3c0f9ea 100644
--- a/src/tests/components/foreign_joined.test.ts
+++ b/src/tests/components/foreign_joined.test.ts
@@ -18,9 +18,11 @@ import {
 import { Schema } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   Model,
   RegisterSchema,
   RegisterTable,
+  Relation,
   Table,
 } from "@antelopejs/interface-database-decorators";
 import { expect } from "chai";
@@ -43,6 +45,8 @@ const schemaName = "default";
 @RegisterTable(authorTableName, schemaName)
 class Author extends Table {
   declare _id: string;
+
+  @Field("string")
   declare name: string;
 }
 class AuthorModel extends BasicDataModel(Author, authorTableName) {}
@@ -52,7 +56,12 @@ class AuthorModel extends BasicDataModel(Author, authorTableName) {}
 @RegisterTable(bookTableName, schemaName)
 class Book extends Table {
   declare _id: string;
+
+  @Field("string")
+  @Relation({ to: () => Author })
   declare authorId: string;
+
+  @Field("string")
   declare title: string;
 }
 class BookModel extends BasicDataModel(Book, bookTableName) {}
@@ -62,6 +71,9 @@ class BookModel extends BasicDataModel(Book, bookTableName) {}
 @RegisterTable(shelfTableName, schemaName)
 class Shelf extends Table {
   declare _id: string;
+
+  @Field("string")
+  @Relation({ to: () => Book })
   declare book: string; // stores a Book._id
 }
 class ShelfModel extends BasicDataModel(Shelf, shelfTableName) {}
diff --git a/src/tests/components/joined.test.ts b/src/tests/components/joined.test.ts
index a7d5529..cb7a5d8 100644
--- a/src/tests/components/joined.test.ts
+++ b/src/tests/components/joined.test.ts
@@ -17,9 +17,11 @@ import {
 import { Schema } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   Model,
   RegisterSchema,
   RegisterTable,
+  Relation,
   Table,
 } from "@antelopejs/interface-database-decorators";
 import { expect } from "chai";
@@ -41,7 +43,11 @@ const schemaName = "default";
 @RegisterTable(authorTableName, schemaName)
 class Author extends Table {
   declare _id: string;
+
+  @Field("string")
   declare name: string;
+
+  @Field("string")
   declare email: string;
 }
 class AuthorModel extends BasicDataModel(Author, authorTableName) {}
@@ -49,8 +55,15 @@ class AuthorModel extends BasicDataModel(Author, authorTableName) {}
 @RegisterTable(bookTableName, schemaName)
 class Book extends Table {
   declare _id: string;
+
+  @Field("string")
+  @Relation({ to: () => Author })
   declare authorId: string;
+
+  @Field("string")
   declare title: string;
+
+  @Field("number")
   declare price: number;
 }
 class BookModel extends BasicDataModel(Book, bookTableName) {}
diff --git a/src/tests/components/listable.test.ts b/src/tests/components/listable.test.ts
index 64f275a..2150889 100644
--- a/src/tests/components/listable.test.ts
+++ b/src/tests/components/listable.test.ts
@@ -15,6 +15,7 @@ import {
 import { Schema } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
@@ -41,13 +42,25 @@ class Product extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare reference: string;
 
+  @Field("string")
   declare name: string;
+
+  @Field("string")
   declare description: string;
+
+  @Field("number")
   declare price: number;
+
+  @Field("date")
   declare addedAt: Date;
+
+  @Field("string")
   declare internalNotes: string;
+
+  @Field("string")
   declare metadata: string;
 }
 class ProductModel extends BasicDataModel(Product, productTableName) {}
diff --git a/src/tests/components/mandatory.test.ts b/src/tests/components/mandatory.test.ts
index 00dc1e3..fc91cf3 100644
--- a/src/tests/components/mandatory.test.ts
+++ b/src/tests/components/mandatory.test.ts
@@ -14,6 +14,7 @@ import {
 import { Schema } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
@@ -41,12 +42,22 @@ class Order extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare internalReference: string;
 
+  @Field("string")
   declare customerName: string;
+
+  @Field("string")
   declare customerEmail: string;
+
+  @Field("number")
   declare totalAmount: number;
+
+  @Field("string")
   declare status: string;
+
+  @Field("string")
   declare notes: string;
 }
 class OrderModel extends BasicDataModel(Order, orderTableName) {}
diff --git a/src/tests/components/modifier_key.test.ts b/src/tests/components/modifier_key.test.ts
index e15b26e..1d202fd 100644
--- a/src/tests/components/modifier_key.test.ts
+++ b/src/tests/components/modifier_key.test.ts
@@ -16,11 +16,13 @@ import {
 import { Schema } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   LocalizationModifier,
   Localized,
   Model,
   RegisterSchema,
   RegisterTable,
+  Relation,
   Table,
 } from "@antelopejs/interface-database-decorators";
 import { expect } from "chai";
@@ -42,7 +44,11 @@ const locale = "en";
 @RegisterTable(authorTableName, schemaName)
 class Author extends Table {
   declare _id: string;
+
+  @Field("string")
   declare name: string;
+
+  @Field("string")
   declare email: string;
 }
 class AuthorModel extends BasicDataModel(Author, authorTableName) {}
@@ -50,6 +56,9 @@ class AuthorModel extends BasicDataModel(Author, authorTableName) {}
 @RegisterTable(postTableName, schemaName)
 class Post extends Table.with(LocalizationModifier) {
   declare _id: string;
+
+  @Field("string")
+  @Relation({ to: () => Author })
   declare authorId: string | null;
 
   @Localized()
diff --git a/src/tests/components/per_action_access.test.ts b/src/tests/components/per_action_access.test.ts
index 0f171d4..fa29fec 100644
--- a/src/tests/components/per_action_access.test.ts
+++ b/src/tests/components/per_action_access.test.ts
@@ -13,6 +13,7 @@ import {
 } from "@antelopejs/interface-data-api/metadata";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
@@ -39,10 +40,16 @@ class User extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare email: string;
 
+  @Field("string")
   declare name: string;
+
+  @Field("string")
   declare role: string;
+
+  @Field("number")
   declare age: number;
 }
 class UserModel extends BasicDataModel(User, userTableName) {}
diff --git a/src/tests/components/validator.test.ts b/src/tests/components/validator.test.ts
index 79aa466..2807647 100644
--- a/src/tests/components/validator.test.ts
+++ b/src/tests/components/validator.test.ts
@@ -13,6 +13,7 @@ import {
 } from "@antelopejs/interface-data-api/metadata";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
@@ -38,13 +39,25 @@ class Product extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare sku: string;
 
+  @Field("string")
   declare name: string;
+
+  @Field("number")
   declare price: number;
+
+  @Field("string")
   declare email: string;
+
+  @Field("date")
   declare birthDate: Date;
+
+  @Field("string")
   declare status: string;
+
+  @Field(["string"])
   declare tags: string[];
 }
 class ProductModel extends BasicDataModel(Product, productTableName) {}
diff --git a/src/tests/index/routes.test.ts b/src/tests/index/routes.test.ts
index d588de3..4201f67 100644
--- a/src/tests/index/routes.test.ts
+++ b/src/tests/index/routes.test.ts
@@ -14,6 +14,7 @@ import {
 import { Schema } from "@antelopejs/interface-database";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
@@ -42,10 +43,16 @@ class User extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare email: string;
 
+  @Field("string")
   declare password: string;
+
+  @Field("string")
   declare name: string;
+
+  @Field("number")
   declare age: number;
 }
 class UserModel extends BasicDataModel(User, userTableName) {}
diff --git a/src/tests/integration.test.ts b/src/tests/integration.test.ts
index 70676ef..79d9b78 100644
--- a/src/tests/integration.test.ts
+++ b/src/tests/integration.test.ts
@@ -16,10 +16,12 @@ import {
 } from "@antelopejs/interface-data-api/metadata";
 import {
   BasicDataModel,
+  Field,
   Index,
   Model,
   RegisterSchema,
   RegisterTable,
+  Relation,
   Table,
 } from "@antelopejs/interface-database-decorators";
 import { expect } from "chai";
@@ -47,18 +49,40 @@ class Customer extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare email: string;
 
+  @Field("string")
   declare firstName: string;
+
+  @Field("string")
   declare lastName: string;
+
+  @Field("string")
   declare phone: string;
+
+  @Field("string")
   declare address: string;
+
+  @Field("string")
   declare city: string;
+
+  @Field("string")
   declare postalCode: string;
+
+  @Field("string")
   declare country: string;
+
+  @Field("date")
   declare registrationDate: Date;
+
+  @Field("boolean")
   declare isActive: boolean;
+
+  @Field("number")
   declare loyaltyPoints: number;
+
+  @Field(["string"])
   declare preferences: string[];
 }
 
@@ -67,19 +91,43 @@ class Product extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare sku: string;
 
+  @Field("string")
   declare name: string;
+
+  @Field("string")
   declare description: string;
+
+  @Field("number")
   declare price: number;
+
+  @Field("number")
   declare costPrice: number;
+
+  @Field("number")
   declare stockQuantity: number;
+
+  @Field("string")
   declare category: string;
+
+  @Field("string")
   declare brand: string;
+
+  @Field(["string"])
   declare tags: string[];
+
+  @Field(["string"])
   declare images: string[];
+
+  @Field("boolean")
   declare isActive: boolean;
+
+  @Field("date")
   declare createdAt: Date;
+
+  @Field("date")
   declare updatedAt: Date;
 }
 
@@ -88,22 +136,48 @@ class Order extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
   declare orderNumber: string;
 
   @Index()
+  @Field("string")
+  @Relation({ to: () => Customer })
   declare customerId: string;
 
+  @Field("string")
   declare status: string;
+
+  @Field("number")
   declare totalAmount: number;
+
+  @Field("number")
   declare shippingCost: number;
+
+  @Field("number")
   declare taxAmount: number;
+
+  @Field("number")
   declare discountAmount: number;
+
+  @Field("number")
   declare finalAmount: number;
+
+  @Field("string")
   declare shippingAddress: string;
+
+  @Field("string")
   declare billingAddress: string;
+
+  @Field("string")
   declare paymentMethod: string;
+
+  @Field("string")
   declare notes: string;
+
+  @Field("date")
   declare createdAt: Date;
+
+  @Field("date")
   declare updatedAt: Date;
 }
 
@@ -112,15 +186,28 @@ class OrderItem extends Table {
   declare _id: string;
 
   @Index()
+  @Field("string")
+  @Relation({ to: () => Order })
   declare orderId: string;
 
   @Index()
+  @Field("string")
+  @Relation({ to: () => Product })
   declare productId: string;
 
+  @Field("number")
   declare quantity: number;
+
+  @Field("number")
   declare unitPrice: number;
+
+  @Field("number")
   declare totalPrice: number;
+
+  @Field("number")
   declare finalPrice: number;
+
+  @Field("number")
   declare discount: number;
 }