Diagram
Entity Relationship
Use an entity relationship diagram to show the records a business keeps and how they relate, such as customers, orders and products.
entity-relationshiperDiagram
First line
The first word of the source, erDiagram, names the Mermaid family; the rest follows Mermaid's syntax for it.
Alt text
A customer places orders, an order contains line items, and each line item refers to a product.
Markdown
A mermaid fence is a diagram; alt is its text alternative.OPF Markdown
# Entity Relationship
```mermaid alt="A customer places orders, an order contains line items, and each line item refers to a product."
erDiagram
CUSTOMER ||--o{ ORDER : places
ORDER ||--|{ LINE_ITEM : contains
PRODUCT ||--o{ LINE_ITEM : "appears in"
```
Layouts That Take It
Give the slide one of these layouts to place the diagram in a region, or none to compose it automatically.
OPF Config
diagrams:entity-relationshipOPF JSON
{
"$schema": "https://openpresentation.org/schema/opf/v1",
"name": "PPTX.gallery — diagrams/entity-relationship",
"description": "Use an entity relationship diagram to show the records a business keeps and how they relate, such as customers, orders and products.",
"tags": [
"gallery:diagrams/entity-relationship"
],
"slides": [
{
"id": "gallery-preview-1",
"layout": "chart",
"title": "Entity Relationship",
"diagram": {
"source": "erDiagram\n CUSTOMER ||--o{ ORDER : places\n ORDER ||--|{ LINE_ITEM : contains\n PRODUCT ||--o{ LINE_ITEM : \"appears in\"",
"alt": "A customer places orders, an order contains line items, and each line item refers to a product."
}
}
],
"catalogs": {
"default": {
"source": "https://www.pptx.gallery",
"layouts": {
"chart": {
"name": "Chart",
"summary": "One to six charts, with an optional note.",
"tags": [
"Visuals"
],
"direction": "column",
"regions": [
{
"name": "title"
},
{
"name": "charts",
"accepts": [
"chart",
"group",
"diagram"
],
"role": "primary",
"flow": "grid"
},
{
"name": "note",
"size": "auto",
"accepts": [
"text"
],
"role": "supporting",
"flow": "none"
}
],
"description": "Give a chart enough space to show its evidence. Use the title to state the conclusion and labels to explain the measures.",
"preview": {
"vectorSrc": "https://www.pptx.gallery/layout-previews/chart.svg"
}
}
}
}
}
}Open in visual editorOpen in Inspector
Load this config in the gallery's visual editor, or in the Inspector at pptx.dev.