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63 lines (59 loc) · 1.3 KB

erDiagram experiment { INTEGER exid PK TEXT name TEXT crop FK }

operations {
    INTEGER opID PK
    INTEGER o_t_exid FK
    TEXT name
    TEXT odate
}

treatment {
    INTEGER tid PK
    INTEGER t_exid FK
    TEXT name
}

Irrig_floodH {
    INTEGER opID FK
}
Irrig_floodR {
    INTEGER opID FK
}
Irrig_pivotOp {
    INTEGER opID FK
}
PGROp {
    INTEGER opID PK,FK
}
fertNutOp {
    INTEGER opID FK
}
fertilizationOp {
    INTEGER opID FK
}
initCondOp {
    INTEGER opID PK,FK
}
irrigationDetails {
    INTEGER opID FK
}
surfResOp {
    INTEGER opID PK,FK
}
tillageOp {
    INTEGER opID PK,FK
}

experiment ||--o{ operations : contains
experiment ||--o{ treatment : has
operations ||--o{ Irrig_floodH : has_details
operations ||--o{ Irrig_floodR : has_details
operations ||--o{ Irrig_pivotOp : has_details
operations ||--o{ PGROp : defines
operations ||--o{ fertNutOp : defines
operations ||--o{ fertilizationOp : defines
operations ||--o{ initCondOp : defines
operations ||--o{ irrigationDetails : has_details
operations ||--o{ surfResOp : defines
operations ||--o{ tillageOp : defines