@startuml ' hide the spot hide circle ' avoid problems with angled crows feet skinparam linetype ortho entity "Entity01" as e01 { *e1_id : number <<generated>> -- *name : text description : text } entity "Entity02" as e02 { *e2_id : number <<generated>> -- *e1_id : number <<FK>> other_details : text } entity "Entity03" as e03 { *e3_id : number <<generated>> -- e1_id : number <<FK>> other_details : text ==== 单边箭头说明如下： | Type | Symbol | | Zero or One | \|o-- | | Exactly One | \|\|--| | Zero or Many| }o-- | | One or Many | }\|-- | } e01 ||..o{ e02 e01 |o..o{ e03 @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art