{"id":842,"date":"2022-12-26T11:47:02","date_gmt":"2022-12-26T14:47:02","guid":{"rendered":"http:\/\/157.92.26.246\/datamining\/?page_id=842"},"modified":"2022-12-29T15:41:01","modified_gmt":"2022-12-29T18:41:01","slug":"modelos-relacionales","status":"publish","type":"page","link":"https:\/\/datamining.dc.uba.ar\/datamining\/modelos-relacionales\/","title":{"rendered":"Modelos relacionales"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background fusion-parallax-fixed nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-image: url(&quot;https:\/\/datamining.dc.uba.ar\/datamining\/wp-content\/uploads\/2022\/07\/DSC_6018-1.jpg&quot;);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;background-attachment:fixed;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:150px!important; margin-right:0px!important;margin-bottom:150px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-1{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"margin-top:150px;margin-right:0px;margin-bottom:150px;margin-left:0px;\"><h1 class=\"title-heading-left\" style=\"margin:0;\">Modelos relacionales<\/h1><\/div><div class=\"fusion-section-separator section-separator curved fusion-section-separator-1\" style=\"margin-bottom:0px;\"><div class=\"fusion-section-separator-svg\" style=\"padding:0;\"><svg class=\"fusion-curved-candy\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" width=\"100%\" height=\"100\" viewBox=\"0 0 100 100\" preserveAspectRatio=\"none\" style=\"padding:0;\" fill=\"rgba(255,255,255,1)\"><path d=\"M0 100 C 20 0 50 0 100 100 Z\"><\/path><\/svg><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\" style=\"height:99px;\"><\/div><\/div><style type=\"text\/css\">.fusion-section-separator-1 .fusion-section-separator-svg {margin-left:1.92%;margin-right:1.92%;}@media only screen and (max-width:1024px) {.fusion-section-separator-1 .fusion-section-separator-svg {margin-left:1.92%;margin-right:1.92%;}}@media only screen and (max-width:640px) {.fusion-section-separator-1 .fusion-section-separator-svg {margin-left:1.92%;margin-right:1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-1{ padding-top : 60px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-flex-align-self-flex-start\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-1\"><p><a href=\"https:\/\/datamining.dc.uba.ar\/datamining\/materias\/\"><strong><span style=\"color: #6b0046;\">Volver al Cronograma de Cursos y Materias<\/span><\/strong><\/a><\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-1{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-1 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-1{width:100% !important;order : 0;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-1{width:100% !important;order : 0;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_3 1_3 fusion-flex-column fusion-flex-align-self-stretch\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;background-color:#f5f4f4;padding: 50px 0px 0px 50px;\"><ul class=\"fusion-checklist fusion-checklist-1\" style=\"font-size:16px;line-height:27.2px;\"><li style=\"background-color:rgba(255,255,255,0);\" class=\"fusion-li-item\"><span style=\"background-color:#f5f4f4;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-clock fas\" style=\"color:#ff6526;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;color:var(--awb-color8);\"><strong>Horas de clases semanales:\u00a0<\/strong>Lunes de 19 a 22 hs. (Primer cuatrimestre)<\/div><\/li><li style=\"background-color:rgba(255,255,255,0);\" class=\"fusion-li-item\"><span style=\"background-color:#f5f4f4;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-laptop fas\" style=\"color:#ff6526;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;color:var(--awb-color8);\">\n<p><strong>Carga horaria cuatrimestral:<\/strong><\/p>\n<\/div><\/li><li style=\"background-color:rgba(255,255,255,0);\" class=\"fusion-li-item\"><span style=\"background-color:#f5f4f4;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-history fas\" style=\"color:#ff6526;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;color:var(--awb-color8);\">\n<p>Duraci\u00f3n: Dr. Gerardo Rossel, Lic. Viviana Ortiz<\/p>\n<\/div><\/li><li style=\"background-color:rgba(255,255,255,0);\" class=\"fusion-li-item\"><span style=\"background-color:#f5f4f4;font-size:14.08px;height:27.2px;width:27.2px;margin-right:11.2px;\" class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon fa-chalkboard-teacher fas\" style=\"color:#ff6526;\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\" style=\"margin-left:38.4px;color:var(--awb-color8);\">\n<p>Docentes:<\/p>\n<\/div><\/li><\/ul><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-2{width:33.333333333333% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-2 > .fusion-column-wrapper {padding-top : 50px !important;padding-right : 0px !important;margin-right : 5.76%;padding-bottom : 0px !important;padding-left : 50px !important;margin-left : 5.76%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-2{width:33.333333333333% !important;order : 0;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 5.76%;margin-left : 5.76%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-2{width:100% !important;order : 0;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_2_3 2_3 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;color:#6b0046;\">Temario \/Programa<\/h2><\/div><div class=\"fusion-text fusion-text-2 fusion-text-no-margin\" style=\"margin-bottom:30px;\"><p>Resumen: Los desarrollos tecnol\u00f3gicos que se sucedieron en el campo de las bases de datos relacionales est\u00e1n estrechamente emparentados con la evoluci\u00f3n de la ciencia de datos. Hoy en d\u00eda existen varias herramientas para la captura, transformaci\u00f3n, integraci\u00f3n y consumo de datos, sin embargo los sistemas de bases de datos relacionales a\u00fan mantienen un lugar de relevancia entre los recursos que deben dominar los cient\u00edficos de datos.<\/p>\n<p>Los dos objetivos principales del presente curso son la incorporaci\u00f3n de conocimientos avanzados y actualizados en bases de datos relacionales y generar un espacio donde se pueda aplicar ese conocimiento de manera pr\u00e1ctica. Esta materia es de particular importancia para los graduados de carreras no inform\u00e1ticas, ya que les permitir\u00e1 incorporar y manejar conceptos m\u00e1s avanzados.<\/p>\n<p>Programa tentativo:<\/p>\n<p>Repaso de dise\u00f1o de bases de datos: Modelo Conceptual. Ciclo de dise\u00f1o e implementaci\u00f3Modelo Relacional. Conceptos de Claves, Claves Candidatas, Clave Primaria, Integridad referencial. SQL. Estructura de una sentencia. Consultando una Tabla. Predicados. Tipos de Datos<br \/>\nDise\u00f1o de bases de datos relacionales: Normalizaci\u00f3n. Primera, segunda y tercer formaForma normal de Boyce-Codd. El proceso de transformaci\u00f3n de una base de datos transaccional en una apta para miner\u00eda de datos. Relaci\u00f3n con los modelos de Data Warehouse.<br \/>\nAgregaci\u00f3n en SQL: Operadores sobre grupos. Group By y Having. Max, Sum, AVG, etc.Condicionales: CASE. CAST.<br \/>\nOperaciones SQL sobre varias tablas simult\u00e1neas: inner join, left join, outer join.SelfSubqueries: escalares, de fila y de tabla .Expresiones: [NOT] IN (subquery), comparison_operator [ANY | ALL|SOME] (subquery), [NOT] EXISTS (subquery). Union, Intersecci\u00f3n y Resta.<br \/>\nEl valor null en SQL. Operadores espec\u00edficos para valores nulos. L\u00f3gica de tresTransacciones en SQL. Indices: tipos, uso y creaci\u00f3n. Vistas. Vistas Materializadas. Full Text Search<br \/>\nHerramientas para an\u00e1lisis de datos (agrupamientos avanzados): CUBE, ROLLUP. GROUPINCommon Table Expressions CTE. Windows Functions<br \/>\nUtilizaci\u00f3n de SQL desde Python.Utilizaci\u00f3n de SQL desde R. Stored Procedures. Extensiones del est\u00e1ndar SQL \u00fatiles para ciencia de datos (p.ej. TransactSQL).<\/p>\n<\/div><div ><style>.fusion-body .fusion-button.button-1{border-color:var(--awb-color1);border-radius:30px 30px 30px 30px;background:#6b0046;font-size:16px;font-family:\"IBM Plex Sans\";font-weight:400;}.fusion-body .fusion-button.button-1 .fusion-button-text,.fusion-body .fusion-button.button-1 i,.fusion-body .fusion-button.button-1:hover .fusion-button-text,.fusion-body .fusion-button.button-1:hover i,.fusion-body .fusion-button.button-1:focus .fusion-button-text,.fusion-body .fusion-button.button-1:focus i,.fusion-body .fusion-button.button-1:active .fusion-button-text,.fusion-body .fusion-button.button-1:active i{color:var(--awb-color1);}.fusion-body .fusion-button.button-1:hover,.fusion-body .fusion-button.button-1:active,.fusion-body .fusion-button.button-1:focus{border-color:var(--awb-color1);background:#370030;}<\/style><a class=\"fusion-button button-flat fusion-button-default-size button-custom button-1 fusion-button-default-span fusion-button-default-type\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"http:\/\/datamining.dc.uba.ar\/campus\/\"><span class=\"fusion-button-text\">CAMPUS VIRTUAL<\/span><\/a><\/div>\n<\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-3{width:66.666666666667% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-3 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 2.88%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 2.88%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-3{width:66.666666666667% !important;order : 0;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 2.88%;margin-left : 2.88%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-3{width:100% !important;order : 0;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_2 1_2 fusion-flex-column fusion-flex-align-self-flex-start\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">#accordion-842-1 .fusion-panel:hover{ border-color: var(--awb-color3) } #accordion-842-1 .fusion-panel { border-color:var(--awb-color3); }.fusion-accordian  #accordion-842-1 .panel-title a .fa-fusion-box{ color: #ff6526;}.fusion-accordian  #accordion-842-1 .panel-title a .fa-fusion-box:before{ font-size: 16px; width: 16px;}.fusion-accordian  #accordion-842-1 .panel-title a{font-size:24px;color:var(--awb-color8);font-family:var(--awb-typography1-font-family);font-weight:var(--awb-typography1-font-weight);font-style:var(--awb-typography1-font-style);}.fusion-accordian  #accordion-842-1 .toggle-content{font-size:var(--awb-typography4-font-size);color:var(--awb-color8);font-family:var(--awb-typography4-font-family);font-weight:var(--awb-typography4-font-weight);font-style:var(--awb-typography4-font-style);}.fusion-accordian  #accordion-842-1 .panel-title a:not(.active):hover, #accordion-842-1 .fusion-toggle-boxed-mode:hover .panel-title a { color: #370030;}.fusion-accordian  #accordion-842-1 .fusion-toggle-boxed-mode:hover .panel-title a .fa-fusion-box{ color: #370030;}.fusion-accordian  #accordion-842-1.fusion-toggle-icon-unboxed .fusion-panel .panel-title a:not(.active):hover .fa-fusion-box{ color: #370030 !important;}<\/style><div class=\"accordian fusion-accordian\"><div class=\"panel-group fusion-toggle-icon-unboxed\" id=\"accordion-842-1\"><style type=\"text\/css\">.fusion-accordian  #accordion-842-1 .panel-ea5012b211c0c5d6e .panel-title a{color:var(--awb-color8);}.fusion-accordian  #accordion-842-1 .panel-ea5012b211c0c5d6e .toggle-content{color:var(--awb-color8);}<\/style><div class=\"fusion-panel panel-default panel-ea5012b211c0c5d6e\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_ea5012b211c0c5d6e\"><a aria-expanded=\"false\" aria-controls=\"ea5012b211c0c5d6e\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-842-1\" data-target=\"#ea5012b211c0c5d6e\" href=\"#ea5012b211c0c5d6e\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Bibliograf\u00eda<\/span><\/a><\/h4><\/div><div id=\"ea5012b211c0c5d6e\" class=\"panel-collapse collapse \" araia-labelledby=\"toggle_ea5012b211c0c5d6e\"><div class=\"panel-body toggle-content fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-4{width:50% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-4 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 3.84%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 3.84%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-4{width:50% !important;order : 0;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 3.84%;margin-left : 3.84%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-4{width:100% !important;order : 0;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-2{ padding-top : 50px;margin-top : 0px;padding-right : 0px;padding-bottom : 100px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: #6b0046;background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-column-inner-bg-wrapper\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-3{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-3{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h1 class=\"title-heading-left\" style=\"margin:0;\"><p style=\"text-align: center;\">Ver programa de estudios<\/p><\/h1><\/div><\/div><span class=\"fusion-column-inner-bg hover-type-none\"><a class=\"fusion-column-anchor\" href=\"https:\/\/datamining.dc.uba.ar\/datamining\/programa-de-estudios\/\"><span class=\"fusion-column-inner-bg-image\" 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