Tapon #ID_Tapon * Geo Valvula #ID_Valvula * Geo Union #ID_Union * Geo Contador #ID_Contador * Geo Tubo #ID_Tubo Geo Tipo * Longitud * Diametro Tubo.

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Presentation transcript:

Tapon #ID_Tapon * Geo Valvula #ID_Valvula * Geo Union #ID_Union * Geo Contador #ID_Contador * Geo Tubo #ID_Tubo *Geo * Tipo * Longitud * Diametro Tubo

Tapon # ID_Tapon: Number *Geo: Geometry PK=(ID_Tapon):PK_Tapon FK=(ID_Tubo): FK_Tubo Valvula # ID_Valvula: Number *Geo: Geometry PK=(ID_Valvula):PK_Valvula FK=(ID_Tubo): FK_Tubo Union # ID_Union: Number *Geo: Geometry PK=(ID_Union):PK_Union FK=(ID_Tubo): FK_Tubo Contador # ID_Contador: Number *Geo: Geometry PK=(ID_Contador):PK_Cont ador FK=(ID_Tubo): FK_Tubo Tubo # ID_Tubo: Number *Geo: Geometry * Tipo: Varchar(10) *Longitud: Number *Diametro: Number PK=(ID_Tubo):PK_Tubo FK=(ID_Tapon):FK_Tapon FK=(ID_Valvula):FK_Valvula FK=(ID_Union):FK_Union FK=(ID_Contador):FK_Contador