DESCUENTO DEL 15% EN TODA LA WEB CON EL CÓDIGO REYES2024
En septiembre de 2021 trasladamos los foros de dudas a los Campus Opositas de preparación de Oposiciones para mejorar así el servicio de resolución de dudas a los alumnos y alumnas de OPOSITAS.
Este foro, abierto en el año 2004, contiene más de 27.000 entradas con resoluciones de dudas de estudio de diferentes administraciones. ¡No somos capaces de borrarlo pues en cada uno de sus post está parte de nuestro ♥!
Inicio › Foros › ADMINISTRACIONES AUTONOMICAS › Junta de Comunidades de Castilla-La Mancha – Auxiliares Administrativos › Duda de Access
carol27Hola, que tal? una duda que me ha surgido con las tablas relacionadas, es que si tenemos dos tablas relacionadas y para eliminar los registros de la tabla relacionada cuando eliminamos un registro de la tabla principal es necesario exigir integridad referencial?
Eliminar en cascada los registros relacionados parece evidente que sí tiene que estar activado y Actualizar en cascada los campos relacionados creo que no es necesario, bueno qué pensáis?
Academia Opositases aconsejable por un lado, porque eliminas o actualizas los registros que se relacionen, pero yo personalmente si la base de datos tiene muchas tablas, no lo hago, tiene que estar muy bien diseñada la base de datos para tener las relaciones optimizadas al máximo. Si son pocas tablas no hay problema.
runa75Tanto para actualizar como para eliminar en cascada es necesario tener marcada la casilla de integridad referencial (en el cuadro de diálogo no se activan esas dos opciones hasta que no lo haces), de esta forma te aseguras que las relaciones están bien definidas y que no vas a eliminar o a cambiar ningún dato que no sea válido.
Saludos.
carol27Ok, muchas gracias a las dos!! 😆
| Cookie | Duración | Descripción |
|---|---|---|
| __stripe_mid | 1 year | This cookie is set by Stripe payment gateway. This cookie is used to enable payment on the website without storing any patment information on a server. |
| __stripe_sid | 30 minutes | This cookie is set by Stripe payment gateway. This cookie is used to enable payment on the website without storing any patment information on a server. |
| _GRECAPTCHA | 5 months 27 days | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| cookielawinfo-checkbox-advertisement | 1 year | Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Advertisement" category . |
| cookielawinfo-checkbox-analytics | 1 year | Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Analytics" category . |
| cookielawinfo-checkbox-necessary | 1 year | Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Necessary" category . |
| cookielawinfo-checkbox-others | 1 year | Set by the GDPR Cookie Consent plugin, this cookie is used to store the user consent for cookies in the category "Others". |
| cookielawinfo-checkbox-performance | 1 year | Set by the GDPR Cookie Consent plugin, this cookie is used to store the user consent for cookies in the category "Performance". |
| Cookie | Duración | Descripción |
|---|---|---|
| _ga | 2 years | The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors. |
| _gat_gtag_UA_148097665_2 | 1 minute | Set by Google to distinguish users. |
| _gid | 1 day | Installed by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously. |
| CONSENT | 2 years | YouTube sets this cookie via embedded youtube-videos and registers anonymous statistical data. |
| Cookie | Duración | Descripción |
|---|---|---|
| IDE | 1 year 24 days | Google DoubleClick IDE cookies are used to store information about how the user uses the website to present them with relevant ads and according to the user profile. |
| NID | 6 months | NID cookie, set by Google, is used for advertising purposes; to limit the number of times the user sees an ad, to mute unwanted ads, and to measure the effectiveness of ads. |
| test_cookie | 15 minutes | The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies. |
| VISITOR_INFO1_LIVE | 5 months 27 days | A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. |
| YSC | session | YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages. |
| yt-remote-connected-devices | never | YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. |
| yt-remote-device-id | never | YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. |
| yt.innertube::nextId | never | This cookie, set by YouTube, registers a unique ID to store data on what videos from YouTube the user has seen. |
| yt.innertube::requests | never | This cookie, set by YouTube, registers a unique ID to store data on what videos from YouTube the user has seen. |
| Cookie | Duración | Descripción |
|---|---|---|
| cookielawinfo-checkbox-functional | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
| m | 2 years | No description available. |
| wp_woocommerce_session_7cab782fee4616525d0349c2b5e0d09c | 2 days | No description |
