+
+
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
+
+
+