5/25/2018 Actualizar Una Tabla Basada en Otra Tabla

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Actualizar una tabla basada en

otra tabla (MDB)

Ocultar todo

NOTA La informacin recogida en este tema slo se aplicar a

bases de datos de Microsoft Access (.mdb).

1.Cree unaconsulta de actualizacinque contenga la tabla que deseaactualizar y la tabla cuyos valores desea copiar.

Cmo?

1.Puede crear una consulta con las tablas o consultas queincluyen los registros que desea actualizar.

Cmo?

1.En laventana Base de datos,haga clic en Consultas ,bajo Objetos, y, a continuacin, haga clic en Nuevoen labarra de herramientas de la ventana Base de datos.

2.En el cuadro de dilogo Nueva consulta, haga clicen Vista diseoy luego enAceptar.

3.En el cuadro de dilogo Mostrar tabla, haga clic en laficha que relaciona las tablas o consultas con cuyos datos

desea trabajar.

4.Haga doble clic en el nombre de cada objeto que deseeagregar a la consulta y, despus, haga clic en Cerrar.5.Agregue campos a la fila Campoen lacuadrcula de

diseoy, si lo desea, especifique loscriteriosy el orden.

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6.Para ver el resultado de la consulta, haga clic en Ver enla barra de herramientas.

2.En lavista Diseode la consulta, haga clic en la flecha situadajunto a Tipo de consulta en labarra de herramientasy, acontinuacin, haga clic en Consulta de actualizacin.

3.Arrastre los campos que desea actualizar o para los que deseaespecificarcriteriosdesde lalista de camposhasta lacuadrcula

de diseode la consulta.

4.En la celda Criterios, especifique los criterios si es necesario.5.En la celda Actualizar ade los campos que desea actualizar,

escriba laexpresino el valor que desea utilizar para cambiarlos campos, como muestra la siguiente ilustracin.

6.Para ver una lista de los registros que se actualizarn, haga clicen Vista en la barra de herramientas. Esta lista no mostrarlos nuevos valores. Para regresar a la vista Diseo de la

consulta, haga clic de nuevo en Vista en la barra de

herramientas. Realice los cambios que desee en la vista Diseo.

7.Haga clic en Ejecutar en la barra de herramientas paraactualizar los registros.

2.Si la tablas no estncombinadas,combnelas en los campos quetienen informacin relacionada.

Cmo?

Por ejemplo, si desea copiar datos del campo NombreProducto

de la tabla Productos en un campo de otra tabla, combine las dos

tablas en laclave principal,que podra denominarse IdProducto.

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1.En la celda Actualizar ade los campos que desea actualizar,escriba unaexpresincon la sintaxis siguiente:

[nombredetabla].[nombredecampo]

donde nombre_de_tablay nombre_de_camposon los nombres

de la tabla y el campo que contienen los datos que est

copiando.

Por ejemplo, si est copiando datos desde el campo

NombreProducto de la tabla Productos,

escribira[Productos].[NombreProducto]en la

celda Actualizar a.

Le result este artculo de ayuda?

S

No

No es lo que esperaba

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