Update entityRelationshipDiagram.md

Just a piece of code that was there but didn't appear as code but just as the resulting graph.
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Zer0n0mask 2021-10-18 21:39:05 -03:00 committed by GitHub
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@ -195,6 +195,24 @@ The `type` and `name` values must begin with an alphabetic character and may con
Attributes may also have a `key` or comment defined. Keys can be "PK" or "FK", for Primary Key or Foreign Key. And a `comment` is defined by quotes at the end of an attribute. Comments themselves cannot have quote characters in them.
```
erDiagram
CAR ||--o{ NAMED-DRIVER : allows
CAR {
string allowedDriver FK 'The license of the allowed driver'
string registrationNumber
string make
string model
}
PERSON ||--o{ NAMED-DRIVER : is
PERSON {
string driversLicense PK 'The license #'
string firstName
string lastName
int age
}
```
```mermaid
erDiagram
CAR ||--o{ NAMED-DRIVER : allows