34 lines
673 B
Markdown
34 lines
673 B
Markdown
# Base de datos
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```mermaid
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erDiagram
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Common{
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integer id PK "not null"
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integer procedure FK "not null Procedures"
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integer session FK "not null Sessions"
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datetime date_in "CK not null default now()"
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datetime date_out
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}
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_Common{
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integer id PK "not null"
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integer register FK "not null Entity"
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integer procedure FK "not null Procedures"
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integer session FK "not null Sessions"
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datetime date_in "CK not null default now()"
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datetime date_out
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}
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Databases{
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varchar(64) name UK "CK not null"
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}
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Procedures{
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integer database FK,UK "not null Database"
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varchar(64) name UK "CK not null"
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}
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Databases ||--|{ Procedures : is
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``` |