{
"id": "entity-relationship-order-schema",
"schemaVersion": 2,
"title": {
"ja": "注文データの関係 — 注文明細が商品と注文を結ぶ",
"en": "Order Data Relationships — Order Lines Connect Products and Orders"
},
"summary": {
"ja": "エンティティ枠内の主キー・外部キーとcrow's footで、注文データの参照先と1対多の制約を示すER図",
"en": "An ER diagram uses primary/foreign keys and crow's-foot cardinality to show references and one-to-many relationships in order data."
},
"capturedAt": "2026-09-25",
"categories": [
"presentation"
],
"tags": [
"data-viz",
"minimal"
],
"useCases": [
"architecture",
"comparison"
],
"format": "slide-16x9",
"density": "medium",
"layout": {
"kind": "network",
"canvas": {
"w": 1920,
"h": 1080
},
"margin": {
"top": 100,
"right": 140,
"bottom": 100,
"left": 140
}
},
"type": {
"title": {
"size": 46,
"weight": 700,
"tracking": "0.01em"
},
"subtitle": {
"size": 22,
"weight": 500
},
"axisTitle": {
"size": 22,
"weight": 700
},
"entityTitle": {
"size": 24,
"weight": 700
},
"field": {
"size": 20,
"weight": 500
},
"key": {
"size": 20,
"weight": 700
},
"relation": {
"size": 20,
"weight": 500
},
"takeaway": {
"size": 28,
"weight": 500
},
"note": {
"size": 20,
"weight": 400
}
},
"colors": {
"ground": "#FFFFFF",
"surface": "#F4F6F9",
"ink": "#131820",
"muted": "#667183",
"accent": "#1F5FA8",
"rule": "#DBE1E9",
"series": []
},
"rules": [
{
"ja": "各枠はエンティティを表し、PKが主キー、FKが他エンティティへの参照を示す",
"en": "Each box is an entity; PK marks the primary key and FK marks a reference to another entity."
},
{
"ja": "単一バーは必ず1件、crow's foot（三つ又）は複数件を表す",
"en": "A single bar marks exactly one; a crow's foot marks many."
},
{
"ja": "注文明細を関連エンティティとして置き、注文と商品それぞれへの外部キーを持たせる",
"en": "Model order lines as an associative entity with foreign keys to both orders and products."
},
{
"ja": "論理モデルの例。NULL可否・一意制約・履歴の保持はシステム要件に応じて別途定義する",
"en": "This is a logical model; define nullability, uniqueness, and history retention for the actual system separately."
}
],
"cover": "https://design-vault.pages.dev/_astro/cover.CeRyRzrz.png",
"assets": [],
"shortlist": false,
"status": "published",
"relations": {
"similar": []
},
"license": "Original",
"publishedAt": null,
"reproduction": {
"spec": {
"format": "slide-16x9",
"density": "medium",
"layout": {
"kind": "network",
"canvas": {
"w": 1920,
"h": 1080
},
"margin": {
"top": 100,
"right": 140,
"bottom": 100,
"left": 140
}
},
"type": {
"title": {
"size": 46,
"weight": 700,
"tracking": "0.01em"
},
"subtitle": {
"size": 22,
"weight": 500
},
"axisTitle": {
"size": 22,
"weight": 700
},
"entityTitle": {
"size": 24,
"weight": 700
},
"field": {
"size": 20,
"weight": 500
},
"key": {
"size": 20,
"weight": 700
},
"relation": {
"size": 20,
"weight": 500
},
"takeaway": {
"size": 28,
"weight": 500
},
"note": {
"size": 20,
"weight": 400
}
},
"colors": {
"ground": "#FFFFFF",
"surface": "#F4F6F9",
"ink": "#131820",
"muted": "#667183",
"accent": "#1F5FA8",
"rule": "#DBE1E9"
},
"rules": [
"Each box is an entity; PK marks the primary key and FK marks a reference to another entity.",
"A single bar marks exactly one; a crow's foot marks many.",
"Model order lines as an associative entity with foreign keys to both orders and products.",
"This is a logical model; define nullability, uniqueness, and history retention for the actual system separately."
]
},
"prompt": {
"ja": "以下の仕様でスライドを 1 枚作ってください。\n\n- 版面 1920 × 1080\n- 余白 上 100 右 140 下 100 左 140\n\n## 文字（版面 1920px に対する px）\ntitle 46px / 700 / 字間 0.01em\nsubtitle 22px / 500\naxisTitle 22px / 700\nentityTitle 24px / 700\nfield 20px / 500\nkey 20px / 700\nrelation 20px / 500\ntakeaway 28px / 500\nnote 20px / 400\n\n## 配色\n地 #FFFFFF / 面 #F4F6F9 / 文字 #131820 / 補助 #667183 / 強調 #1F5FA8 / 罫 #DBE1E9\n\n## 外すと崩れる点\n- 各枠はエンティティを表し、PKが主キー、FKが他エンティティへの参照を示す\n- 単一バーは必ず1件、crow's foot（三つ又）は複数件を表す\n- 注文明細を関連エンティティとして置き、注文と商品それぞれへの外部キーを持たせる\n- 論理モデルの例。NULL可否・一意制約・履歴の保持はシステム要件に応じて別途定義する\n\n内容は［ここに自分の内容を書く］に置き換えてください。寸法と配色はそのまま守ってください。\n正確に再現する場合は、この HTML をそのまま使ってください: https://design-vault.pages.dev/designs/entity-relationship-order-schema/pattern.html",
"en": "Produce one slide to the following specification.\n\n- Canvas 1920 × 1080\n- Margin top 100 right 140 bottom 100 left 140\n\n## Type (px against a 1920px canvas)\ntitle 46px / 700 / tracking 0.01em\nsubtitle 22px / 500\naxisTitle 22px / 700\nentityTitle 24px / 700\nfield 20px / 500\nkey 20px / 700\nrelation 20px / 500\ntakeaway 28px / 500\nnote 20px / 400\n\n## Colour\nGround #FFFFFF / Surface #F4F6F9 / Ink #131820 / Muted #667183 / Accent #1F5FA8 / Rule #DBE1E9\n\n## Constraints — dropping these breaks it\n- Each box is an entity; PK marks the primary key and FK marks a reference to another entity.\n- A single bar marks exactly one; a crow's foot marks many.\n- Model order lines as an associative entity with foreign keys to both orders and products.\n- This is a logical model; define nullability, uniqueness, and history retention for the actual system separately.\n\nReplace the content with [your content]. Keep the measurements and colours as given.\nFor an exact reproduction, use the verbatim HTML at https://design-vault.pages.dev/designs/entity-relationship-order-schema/pattern.html."
},
"code": {
"html": "\n\n注文データの関係 — 注文明細が商品と注文を結ぶ\n\n\n\n\n