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Historia de las Bases de Datos

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Breve descripción de la historia de las bases de datos, su evolución y futuro.

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  • DOWNLOAD THIS BOOKS INTO AVAILABLE FORMAT (2019 Update) ......................................................................................................................... ......................................................................................................................... Download Full PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download Full EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download Full doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... ......................................................................................................................... ................................................................................................................................... eBook is an electronic version of a traditional print book THIS can be read by using a personal computer or by using an eBook reader. (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer THIS is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of the eBook (or other reading material) from a Web site (such as Barnes and Noble) to be read from the user's computer or reading device. Generally, an eBook can be downloaded in five minutes or less ......................................................................................................................... .............. Browse by Genre Available eBooks .............................................................................................................................. Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, ......................................................................................................................... ......................................................................................................................... .....BEST SELLER FOR EBOOK RECOMMEND............................................................. ......................................................................................................................... Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth,-- The Ride of a Lifetime: Lessons Learned from 15 Years as CEO of the Walt Disney Company,-- Call Sign Chaos: Learning to Lead,-- StrengthsFinder 2.0,-- Stillness Is the Key,-- She Said: Breaking the Sexual Harassment Story THIS Helped Ignite a Movement,-- Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones,-- Everything Is Figureoutable,-- What It Takes: Lessons in the Pursuit of Excellence,-- Rich Dad Poor Dad: What the Rich Teach Their Kids About Money THIS the Poor and Middle Class Do Not!,-- The Total Money Makeover: Classic Edition: A Proven Plan for Financial Fitness,-- Shut Up and Listen!: Hard Business Truths THIS Will Help You Succeed, ......................................................................................................................... .........................................................................................................................
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  • DOWNLOAD THIS BOOKS INTO AVAILABLE FORMAT (2019 Update) ......................................................................................................................... ......................................................................................................................... Download Full PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download Full EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download Full doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... ......................................................................................................................... ................................................................................................................................... eBook is an electronic version of a traditional print book THIS can be read by using a personal computer or by using an eBook reader. (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer THIS is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of the eBook (or other reading material) from a Web site (such as Barnes and Noble) to be read from the user's computer or reading device. Generally, an eBook can be downloaded in five minutes or less ......................................................................................................................... .............. Browse by Genre Available eBooks .............................................................................................................................. Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, ......................................................................................................................... ......................................................................................................................... .....BEST SELLER FOR EBOOK RECOMMEND............................................................. ......................................................................................................................... Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth,-- The Ride of a Lifetime: Lessons Learned from 15 Years as CEO of the Walt Disney Company,-- Call Sign Chaos: Learning to Lead,-- StrengthsFinder 2.0,-- Stillness Is the Key,-- She Said: Breaking the Sexual Harassment Story THIS Helped Ignite a Movement,-- Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones,-- Everything Is Figureoutable,-- What It Takes: Lessons in the Pursuit of Excellence,-- Rich Dad Poor Dad: What the Rich Teach Their Kids About Money THIS the Poor and Middle Class Do Not!,-- The Total Money Makeover: Classic Edition: A Proven Plan for Financial Fitness,-- Shut Up and Listen!: Hard Business Truths THIS Will Help You Succeed, ......................................................................................................................... .........................................................................................................................
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Historia de las Bases de Datos

  1. 1. HISTORIA DE LAS BBDD Vicente Baixauli Noemí Grau Adrian Sánchez
  2. 2. ¿QUÉ ES UNA BASE DE DATOS? <ul><li>Es el conjunto de informaciones almacenadas en un soporte legible por ordenador y organizadas internamente por registros (formado por todos los campos referidos a una entidad u objeto almacenado) y campos (cada uno de los elementos que componen un registro). Permite recuperar cualquier clase de información: referencias, documentos textuales, imágenes, datos estadísticos, etc. </li></ul>
  3. 3. EL NACIMIENTO DE LAS BASES DE DATOS <ul><li>Máquina perforadora Herman Hollerit (1860-1929) </li></ul><ul><li>Herman Hollerit (1860-1929) fue denominado el primer ingeniero estadístico de la historia, ya que invento una computadora llamada “Máquina Automática Perforadora de Tarjetas. Para hacer el censo de Estados Unidos en 1880 se tardaron 7 años para obtener resultados </li></ul>
  4. 4. HISTORIA DE LAS BASES DE DATOS I <ul><li>Década 1950 </li></ul><ul><li>Se da origen a las cintas magnéticas. Por medio de este mecanismo se empezó a automatizar la información de las nóminas, como por ejemplo el aumento de salario. Consistía en leer una cinta o más y pasar los datos a otra, y también se podían pasar desde las tarjetas perforadas. Simulando un sistema de Backup. </li></ul><ul><li>Década de 1960 </li></ul><ul><li>El uso de los discos en ese momento fue un adelanto muy efectivo, ya que por medio de este soporte se podía consultar la información directamente, esto ayudo a ahorrar tiempo. No era necesario saber exactamente donde estaban los datos en los discos, ya que en milisegundos era recuperable la información. </li></ul><ul><li>Los discos dieron inicio a las Bases de Datos, de red y jerárquicas, pues los programadores con su habilidad de manipulación de estructuras junto con las ventajas de los discos era posible guardar estructuras de datos como listas y árboles. </li></ul>
  5. 5. HISTORIA DE LAS BASES DE DATOS II <ul><li>Década 1970 </li></ul><ul><li>Cuando E.F. Codd de IBM introdujo la idea de un modelo relacional de Bases de datos en un documento titulado “A Relational Model of data for Large Shared Banks” </li></ul><ul><li>Bases del Modelo E-R </li></ul><ul><ul><li>Abstraer la representación de datos. </li></ul></ul><ul><ul><li>Minimizar la redundancia de datos, dividiéndolos en distintos grupos no duplicados. </li></ul></ul><ul><ul><li>Incrementar la consistencia de datos, por ejemplo si se cambia el nombre de un cliente, este cambiara en todos los reportes. </li></ul></ul><ul><li>Posteriormente un lenguaje llamado SQL (Lenguaje estructurado de consultas) también desarrollado por IBM, fue creado para generar reportes y actualizar datos en este nuevo modelo relacional. </li></ul><ul><li>El Sistema R de IBM nació de este trabajo, pero fue ignorado por IBM, y poco después Oracle saco su versión comercial de BD basada en la teoría relacional de Codd, y el Berkely Ingres. </li></ul>
  6. 6. EVOLUCIÓN DE LAS BASES DE DATOS <ul><li>Generaciones: </li></ul><ul><ul><li>1ª Generación: </li></ul></ul><ul><ul><ul><li>BBDD jerárquicas </li></ul></ul></ul><ul><ul><ul><li>BBDD de red </li></ul></ul></ul><ul><ul><li>2ª Generación: </li></ul></ul><ul><ul><ul><li>Modelo relacional </li></ul></ul></ul><ul><ul><li>3ª Generación: </li></ul></ul><ul><ul><ul><li>Modelo orientado a objetos </li></ul></ul></ul><ul><ul><ul><li>Modelo objeto relacional </li></ul></ul></ul><ul><li>  </li></ul><ul><li>  </li></ul>
  7. 7. EL FUTURO DE LAS BBDD <ul><li>Más que evolución de las propias BBDD, se habla de evolución de sus sistemas gestores, ya que la base de datos en sí, es la manera en la que se introducen los datos, los SGBD son los que acceden a ellas y las implementan digamos, desde fuera. </li></ul><ul><li>Está más orientado a los siguientes ámbitos: científico, industrial y comercial. </li></ul>
  8. 8. MADUREZ DE LA TECNOLOGÍA
  9. 9. CLAVES PARA EL FUTURO I <ul><li>Habrá que tener en cuenta diversos aspectos: el personal, los diseñadores, los desarrolladores y la empresa. </li></ul><ul><li>Personal  Administradores de Bases de Datos; y según un grupo de expertos, sus funciones serían: </li></ul><ul><ul><li>Funciones más especializadas: bases de datos distribuidas y dimensionamiento de redes, o datawarehouses. </li></ul></ul><ul><ul><li>La formación continuada  una necesidad. </li></ul></ul><ul><ul><li>Internet para intercambio de opiniones con otros administradores y asistencia a conferencias online. </li></ul></ul><ul><ul><li>Más profesionalizado con la aplicación de métricas de productividad y calidad del servicio. </li></ul></ul><ul><ul><li>Diferencia entre administradores de negocio y administradores de implementación. </li></ul></ul><ul><ul><li>Potenciación de habilidades de comunicación humana. </li></ul></ul><ul><ul><li>Mayor conocimiento de los SO. </li></ul></ul><ul><ul><li>Mayor automatización de las funciones de administración gracias a las nuevas herramientas, muchas de ellas multimedia y a sus interfaces. </li></ul></ul>
  10. 10. CLAVES PARA EL FUTURO II <ul><li>Diseñadores  se proponen metodologías basadas en E/R o en técnicas OO, dada la inexistencia de metodologías de diseño formales. </li></ul><ul><li>Desarrolladores  nuevos entornos OO y multimedia para facilitar el trabajo. Se avanza hacia el desarrollo de aplicaciones basadas en componentes (reutilización de código y SW, simplicidad en las pruebas y el mantenimiento y mayor calidad del Sw). </li></ul><ul><li>Empresa  pueden contribuir a la maduración de las tecnología, pero debe tener cuidado en el momento de aplicar esas tecnologías, debe aprender, formar y explotar dicha ventaja, pero sabiendo que quizá esto tenga un coste en el momento de implantarlo, una vez se aprenda a manejar en condiciones, comenzará a distinguirse de su competencia. </li></ul>
  11. 11. CONCLUSIÓN <ul><li>Las BBDD evolucionan y seguirán evolucionando para satisfacer las nuevas necesidades sobre el tratamiento de datos que vayan surgiendo. </li></ul><ul><li>No obstante, su futuro dependerán en gran medida, en la capacidad de conseguir que con esa base de datos, seamos capaces de utilizar estándares reconocidos en todos lados, de conectarnos, manipularlas, sincronizar, etc. con el inmenso mundo de los dispositivos: ya sean móviles con acceso a Internet, e incluso pasando por aquellas BBDD tan importantes como las médicas o militares, las cuales además deberán implementarse en materia de seguridad (ya se sabe… cierta información no puede caer en malas manos…). </li></ul><ul><li>Se automatizarán mucho más aspectos, se podrá trabajar en varias BBDD a la vez y en tiempo real de forma más sencilla, eficaz y segura. </li></ul><ul><li>En fin, se trata de una tecnología que no morirá, sino que se especializará constantemente, debido a que la información es algo que siempre hace falta y que se consulta. </li></ul>
  12. 12. BIBLIOGRAFÍA <ul><li>http://www3.uji.es/~mmarques/f47/apun/node1.html </li></ul><ul><li>http://recursostic.javeriana.edu.co/wiki/index.php/Historia_de_las_bases_de_datos_en_Ciencia_de_la_Informaci%C3%B3n#Introducci.C3.B3n </li></ul><ul><li>http://www.ganimides.ucm.cl/aurrutia/doc_pdf/El%20Futuro%20de%20las%20Bases%20de%20Datos.pdf </li></ul><ul><li>http://www.ati.es/novatica/2000/145/marpia-145.pdf </li></ul>
  13. 13. <ul><li>FIN </li></ul>

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