131 lines
2.4 KiB
Markdown
131 lines
2.4 KiB
Markdown
# Проєктування бази даних
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## BE модель
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<center style="
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border-radius:4px;
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border: 1px solid #cfd7e6;
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box-shadow: 0 1px 3px 0 rgba(89,105,129,.05), 0 1px 1px 0 rgba(0,0,0,.025);
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padding: 1em;"
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>
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@startuml
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entity Account <<ENTITY>>
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entity Account.username <<TEXT>>
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entity Account.password <<TEXT>>
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entity Survey <<ENTITY>>
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entity Survey.name <<TEXT>>
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entity Survey.duration <<TEXT>>
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entity Survey.isPaused <<BOOLEAN>>
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entity Survey.isNamed <<BOOLEAN>>
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entity Question <<ENTITY>>
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entity Question.text <<TEXT>>
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entity Responce <<ENTITY>>
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entity Responce.value <<TEXT>>
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entity Link <<ENTITY>>
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entity Link.usageLimit <<INT>>
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entity Link.responceLimit <<INT>>
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entity Link.uses <<INT>>
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entity Link.responces <<INT>>
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entity Link.path <<TEXT>>
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Account.username --* Account
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Account.password --* Account
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Survey.name --* Survey
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Survey.duration --* Survey
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Survey.isPaused --* Survey
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Survey.isNamed --* Survey
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Link.usageLimit -u-* Link
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Link.responceLimit -u-* Link
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Link.uses --* Link
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Link.responces --* Link
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Link.path -u-* Link
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Responce.value -u-* Responce
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Question.text -u-* Question
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Account "1,1" -- "0,*" Survey
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Survey "1,1" -- "0,*" Question
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Question "1,1" -r- "0,*" Responce
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Account "0,1" -r- "0,*" Responce
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Link "0,*" -- "1,1" Survey
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@enduml
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</center>
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## ER-модель
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<center style="
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border-radius:4px;
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border: 1px solid #cfd7e6;
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box-shadow: 0 1px 3px 0 rgba(89,105,129,.05), 0 1px 1px 0 rgba(0,0,0,.025);
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padding: 1em;"
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>
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@startuml
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entity Account <<ENTITY>> {
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id:INT
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username:CHAR(64)
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password:CHAR(256)
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}
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entity Responce <<ENTITY>> {
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id:INT
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value:CHAR(16384)
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}
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entity Question <<ENTITY>> {
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id:INT
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text:CHAR(256)
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}
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entity Survey <<ENTITY>> {
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id:INT
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name:CHAR(256)
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duration:CHAR(256)
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isPaused:BOOLEAN
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isNamed:BOOLEAN
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}
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entity Link <<ENTITY>> {
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id:INT
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uses:INT
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responces:INT
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usageLimit:INT
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responceLimit:INT
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path:CHAR(32)
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}
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Responce "0,*" --> "1,1" Question
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Question "0,*" --> "1,1" Survey
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Survey "0,*" --> "1,1" Account
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Link "0,*" --> "1,1" Survey
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Responce "0,*" --> "0,1" Account
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@enduml
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</center>
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## Реляційна схема
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<center style="
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border-radius:4px;
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border: 1px solid #cfd7e6;
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box-shadow: 0 1px 3px 0 rgba(89,105,129,.05), 0 1px 1px 0 rgba(0,0,0,.025);
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padding: 1em;"
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>
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</center>
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