{"id":150,"date":"2018-02-01T11:38:50","date_gmt":"2018-02-01T10:38:50","guid":{"rendered":"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/?page_id=150"},"modified":"2018-11-23T22:25:24","modified_gmt":"2018-11-23T21:25:24","slug":"datenmodellierung","status":"publish","type":"page","link":"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/aufgaben\/datenmodellierung\/","title":{"rendered":"Datenmodellierung (Quiz)"},"content":{"rendered":"<div class=\"row\"  id=\"row-2141724054\">\n\n\t<div id=\"col-1719897815\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h1>Datenmodellierung<\/h1>\n<p>In der Datenmodellierung benutzt man f\u00fcr den grafischen Entwurf ein Objekt-Beziehungsmodell in dem konkrete Objekte der Realwelt (z.B. konkrete Personen oder B\u00fccher) zu einem Objekttyp mit gleichen Objekteigenschaften zusammengefasst werden (z.B. Objekttyp Buch mit den Eigenschaften Autor, Titel, Jahr).<\/p>\n<p>Grafisch steht dabei ein <b>Rechteck<\/b> f\u00fcr einen Objekttyp, eine <b>Ellipse<\/b> f\u00fcr eine Objekteigenschaft und eine <b>Raute<\/b> f\u00fcr eine Objektbeziehung.<\/p>\n<p>Das Datenmodell (Abbildung rechts) beschreibt die Musikverwaltung auf einem Smartphone: <b>Interpreten spielen Alben ein und ein Album enth\u00e4lt mehrere Musiktitel.<\/b><\/p>\n<div class=\"dm-two\"><script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam2\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-2\"><p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/osa.fh-potsdam.de\/informations-datenmanagement\/wp-content\/uploads\/sites\/8\/2018\/11\/er-modell-leer.png\" alt=\"\" width=\"361\" height=\"602\" class=\"alignnone size-full wp-image-923\" srcset=\"https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/wp-content\/uploads\/sites\/8\/2018\/11\/er-modell-leer.png 361w, https:\/\/osadev.fh-potsdam.de\/informations-datenmanagement\/wp-content\/uploads\/sites\/8\/2018\/11\/er-modell-leer-180x300.png 180w\" sizes=\"auto, (max-width: 361px) 100vw, 361px\" \/><\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-2\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-2'>\n\t\t\t<div class='question-content'>Ordnen Sie dem Schema per Drag and Drop die folgenden Elemente zu!<div class='question-choices'><div class=\"watupro-matrix-right\"><div class=\"watupro-matrix-draggable watuPRODraggable2\">Album<!--WTPMD5c4f8393e0c007b946261398d0314a257--><\/div><div class=\"watupro-matrix-draggable watuPRODraggable2\">spielt ein<!--WTPMD5e6fdca3fa66bc38296052e8ddedf5849--><\/div><div class=\"watupro-matrix-draggable watuPRODraggable2\">Interpret<!--WTPMD5ad79692ebd033933fada334aec61010b--><\/div><div class=\"watupro-matrix-draggable watuPRODraggable2\">Musiktitel<!--WTPMD55ff0197323b644feaf218dbb0b084ced--><\/div><div class=\"watupro-matrix-draggable watuPRODraggable2\">enth\u00e4lt<!--WTPMD5a4aaebceaa3f8cd3775db1df27e09722--><\/div><\/div><\/div><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_2\"><tr><td class=\"watupro-matrix-left-cell\">1<\/td>\r\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable2\" id=\"watuPRODroppableCell5\"><input type=\"hidden\" class=\"answerof-2 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell5\" name=\"matrix-left-5\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">2<\/td>\r\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable2\" id=\"watuPRODroppableCell6\"><input type=\"hidden\" class=\"answerof-2 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell6\" name=\"matrix-left-6\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">3<\/td>\r\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable2\" id=\"watuPRODroppableCell7\"><input type=\"hidden\" class=\"answerof-2 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell7\" name=\"matrix-left-7\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">4<\/td>\r\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable2\" id=\"watuPRODroppableCell8\"><input type=\"hidden\" class=\"answerof-2 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell8\" name=\"matrix-left-8\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">5<\/td>\r\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable2\" id=\"watuPRODroppableCell9\"><input type=\"hidden\" class=\"answerof-2 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell9\" name=\"matrix-left-9\" value=\"\"><\/td><\/tr><\/table><\/div>\t\t\t\t\t<script type=\"text\/javascript\">\r\n\t\t\t\t\tdocument.addEventListener('DOMContentLoaded', function(event) {\r\n\t\t\t\t\t    jQuery( \".watuPRODraggable2\" ).draggable({\r\n\t\t\t\t\t\t\t revert: \"invalid\", \/\/ when not dropped, the item will revert back to its initial position\r\n      \t\t\t\t\t containment: \"document\",\t\t\r\n      \t\t\t\t\t appendTo: 'body',\t\t\t\t    \t\r\n\t\t\t\t\t    });\t\t\t\t\t    \r\n\t\t\t\t\t\tjQuery(\".watuPRODroppable2\").droppable({\r\n\t\t\t\t\t\t\taccept: \".watuPRODraggable2\",\r\n\t\t\t\t\t\t\tgreedy: true,\r\n\t\t\t\t\t\t\thoverClass: 'watupro-droppable-hover',\r\n\t\t\t\t\t\t\tdrop: function(event, ui) {\r\n\t\t\t\t\t\t\t\tWatuPROIDroppable.drop(event, ui);\r\n\t\t\t\t\t\t\t\tjQuery(this).droppable('option', 'accept', ui.draggable);\r\n\t\t\t\t\t\t\t},\r\n\t\t\t\t\t\t\tout: function(event, ui) {\r\n\t\t\t\t\t\t\t\tjQuery(this).droppable('option', 'accept', \".watuPRODraggable2\");\r\n\t\t\t\t\t\t\t}\r\n\t\t\t\t\t\t}); 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