Basic ErNode
---
config:
htmlLabels: false
look: handDrawn
theme: forest
---
erDiagram
_**hiØ**_[*test*] {
*__List~List~int~~sdfds__* __driversLicense__ PK "***The l😀icense #***"
*string(99)~T~~~~~~* firstName "Only 99
characters are a
llowed dsfsdfsdfsdfs"
~str ing~ lastName
string phone UK
int age
}
style PERSON color:red, stroke:blue,fill:#f9f
classDef test,test2 stroke:red
class PERSON test,test2
Basic ErNode
erDiagram
CAR {
string registrationNumber
string make
string model
}
PERSON {
string firstName
string lastName
int age
}
CAR:::someclass
PERSON:::anotherclass,someclass
classDef someclass fill:#f96
classDef anotherclass color:blue
Basic Relationship
---
config:
htmlLabels: false
layout: elk
look: handDrawn
theme: forest
---
erDiagram
"hi" }o..o{ ORDER : places
style hi fill:lightblue
Basic Relationship
---
config:
htmlLabels: false
look: handDrawn
layout: elk
---
erDiagram
CAR ||--|{ NAMED-DRIVER : allows
PERSON ||..o{ NAMED-DRIVER : is
Basic Relationship
---
config:
htmlLabels: true
look: handDrawn
theme: forest
---
erDiagram
CAR ||--o{ NAMED-DRIVER : allows
CAR {
test test PK "comment"
string make
string model
string[] parts
}
PERSON ||--o{ NAMED-DRIVER : is
PERSON ||--o{ CAR : is
PERSON {
string driversLicense PK "The license #"
string(99) firstName "Only 99 characters are allowed"
string lastName
string phone UK
int age
}
NAMED-DRIVER {
string carRegistrationNumber PK, FK
string driverLicence PK, FK
}
MANUFACTURER only one to zero or more CAR : makes
Basic Relationship
---
title: simple ER diagram
config:
theme: forest
---
erDiagram
direction TB
p[Pers😀on] {
string firstName
string lastName
}
a["Customer Account"] {
string email
}
p ||--o| a : has
Basic Relationship
---
config:
layout: elk
---
erDiagram
CUSTOMER }|..|{ DELIVERY-ADDRESS : has
CUSTOMER ||--o{ ORDER : places
CUSTOMER ||--o{ INVOICE : "liable for"
DELIVERY-ADDRESS ||--o{ ORDER : receives
INVOICE ||--|{ ORDER : covers
ORDER ||--|{ ORDER-ITEM : includes
PRODUCT-CATEGORY ||--|{ PRODUCT : contains
PRODUCT ||--o{ ORDER-ITEM : "ordered in"
Basic Relationship
---
config:
layout: elk
---
erDiagram
rental{
~timestamp with time zone~ rental_date "NN"
~integer~ inventory_id "NN"
~integer~ customer_id "NN"
~timestamp with time zone~ return_date
~integer~ staff_id "NN"
~integer~ rental_id "NN"
~timestamp with time zone~ last_update "NN"
}
film_actor{
~integer~ actor_id "NN"
~integer~ film_id "NN"
~timestamp with time zone~ last_update "NN"
}
film{
~text~ title "NN"
~text~ description
~public.year~ release_year
~integer~ language_id "NN"
~integer~ original_language_id
~smallint~ length
~text[]~ special_features
~tsvector~ fulltext "NN"
~integer~ film_id "NN"
~smallint~ rental_duration "NN"
~numeric(4,2)~ rental_rate "NN"
~numeric(5,2)~ replacement_cost "NN"
~public.mpaa_rating~ rating
~timestamp with time zone~ last_update "NN"
}
customer{
~integer~ store_id "NN"
~text~ first_name "NN"
~text~ last_name "NN"
~text~ email
~integer~ address_id "NN"
~integer~ active
~integer~ customer_id "NN"
~boolean~ activebool "NN"
~date~ create_date "NN"
~timestamp with time zone~ last_update
}
film_category{
~integer~ film_id "NN"
~integer~ category_id "NN"
~timestamp with time zone~ last_update "NN"
}
actor{
~text~ first_name "NN"
~text~ last_name "NN"
~integer~ actor_id "NN"
~timestamp with time zone~ last_update "NN"
}
store{
~integer~ manager_staff_id "NN"
~integer~ address_id "NN"
~integer~ store_id "NN"
~timestamp with time zone~ last_update "NN"
}
city{
~text~ city "NN"
~integer~ country_id "NN"
~integer~ city_id "NN"
~timestamp with time zone~ last_update "NN"
}
language{
~character(20)~ name "NN"
~integer~ language_id "NN"
~timestamp with time zone~ last_update "NN"
}
payment{
~integer~ customer_id "NN"
~integer~ staff_id "NN"
~integer~ rental_id "NN"
~numeric(5,2)~ amount "NN"
~timestamp with time zone~ payment_date "NN"
~integer~ payment_id "NN"
}
category{
~text~ name "NN"
~integer~ category_id "NN"
~timestamp with time zone~ last_update "NN"
}
inventory{
~integer~ film_id "NN"
~integer~ store_id "NN"
~integer~ inventory_id "NN"
~timestamp with time zone~ last_update "NN"
}
address{
~text~ address "NN"
~text~ address2
~text~ district "NN"
~integer~ city_id "NN"
~text~ postal_code
~text~ phone "NN"
~integer~ address_id "NN"
~timestamp with time zone~ last_update "NN"
}
staff{
~text~ first_name "NN"
~text~ last_name "NN"
~integer~ address_id "NN"
~text~ email
~integer~ store_id "NN"
~text~ username "NN"
~text~ password
~bytea~ picture
~integer~ staff_id "NN"
~boolean~ active "NN"
~timestamp with time zone~ last_update "NN"
}
country{
~text~ country "NN"
~integer~ country_id "NN"
~timestamp with time zone~ last_update "NN"
}
film_actor }|..|| film : film_actor_film_id_fkey
film_actor }|..|| actor : film_actor_actor_id_fkey
address }|..|| city : address_city_id_fkey
city }|..|| country : city_country_id_fkey
customer }|..|| store : customer_store_id_fkey
customer }|..|| address : customer_address_id_fkey
film }|..|| language : film_original_language_id_fkey
film }|..|| language : film_language_id_fkey
film_category }|..|| film : film_category_film_id_fkey
film_category }|..|| category : film_category_category_id_fkey
inventory }|..|| store : inventory_store_id_fkey