2.1 KiB
Проєктування бази даних
BE модель
@startuml
entity Account <> entity Account.username <> entity Account.password <>
entity Survey <> entity Survey.name <> entity Survey.duration <> entity Survey.isPaused <> entity Survey.isNamed <>
entity Question <> entity Question.text <>
entity Responce <> entity Responce.value <>
entity Link <> entity Link.usageLimit entity Link.responceLimit entity Link.uses entity Link.responces entity Link.path
Account.username --* Account Account.password --* Account
Survey.name --* Survey Survey.duration --* Survey Survey.isPaused --* Survey Survey.isNamed --* Survey
Link.usageLimit -u-* Link Link.responceLimit -u-* Link Link.uses --* Link Link.responces --* Link Link.path -u-* Link
Responce.value -u-* Responce
Question.text -u-* Question
Account "1,1" -- "0," Survey Survey "1,1" -- "0," Question Question "1,1" -r- "0," Responce Account "0,1" -r- "0," Responce Link "0,*" -- "1,1" Survey
@enduml
ER-модель
@startuml
entity Account <> { id:INT username:CHAR(64) password:CHAR(256) }
entity Responce <> { id:INT value:CHAR(16384) }
entity Question <> { id:INT text:CHAR(256) }
entity Survey <> { id:INT name:CHAR(256) duration:CHAR(256) isPaused:BOOLEAN isNamed:BOOLEAN }
entity Link <> { id:INT uses:INT responces:INT usageLimit:INT responceLimit:INT path:CHAR(32) }
Responce "0," --> "1,1" Question Question "0," --> "1,1" Survey Survey "0," --> "1,1" Account Link "0," --> "1,1" Survey Responce "0,*" --> "0,1" Account
@enduml