{"id":2917,"date":"2021-09-15T09:30:25","date_gmt":"2021-09-15T07:30:25","guid":{"rendered":"https:\/\/bds-online.com\/?p=2917"},"modified":"2021-12-15T10:56:14","modified_gmt":"2021-12-15T09:56:14","slug":"was-sind-dubletten","status":"publish","type":"post","link":"https:\/\/bds-online.com\/staging\/was-sind-dubletten\/","title":{"rendered":"Kurz erkl\u00e4rt: Was sind Dubletten?"},"content":{"rendered":"<h2 data-pm-slice=\"1 5 []\">Kurz erkl\u00e4rt: Was sind Dubletten?<\/h2>\n<p>Der Duden definiert Dubletten als \u201cdoppelt vorhandenes St\u00fcck in einer Sammlung o. \u00e4.\u201d.\u00a0 Etwas ausf\u00fchrlicher und auch gleich deutlich komplizierter wird <a href=\"https:\/\/de.wikipedia.org\/wiki\/Dublette_(Datenbank)\">Wikipedia<\/a>: \u201cDatensatz\u00a0in einer\u00a0Datenbank, der redundant, d. h. mehrfach, vorhanden ist, dessen Redundanz aber aufgrund abweichender Schreibung nicht durch Pr\u00fcfung auf gleiche Inhalte erkannt werden kann.\u201c<\/p>\n<p>In diesem &#8222;Kurz erkl\u00e4rt&#8220; &#8211; Beitrag geht es um unabsichtlich erzeugte Duplikate in Adressdatenbanken &#8211; also mehrfach vorhandene Adressdatens\u00e4tze.<\/p>\n<p>&nbsp;<\/p>\n<h2>Wie entstehen Dubletten?<\/h2>\n<p>Grunds\u00e4tzlich gibt es drei Arten von Doppeleintragungen:<\/p>\n<div data-layout-section=\"true\">\n<div data-layout-column=\"true\" data-column-width=\"50\">\n<div data-layout-content=\"true\">\n<table data-number-column=\"false\" data-layout=\"default\" data-autosize=\"false\" data-pm-slice=\"1 1 []\">\n<tbody>\n<tr>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\"><strong>einfache Dubletten<\/strong><\/p>\n<p>absolut identischer Doppeleintrag in der Datenbank<\/td>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\"><strong>Intradubletten<\/strong><\/p>\n<p>Geringf\u00fcgig abweichende Schreibweise oder sonstiger zuordenbarer Fehler<\/td>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\"><strong>versteckte Dubletten<\/strong><\/p>\n<p>Nicht auf den ersten Blick erkennbare doppelte Datens\u00e4tze, deren Ursprung nicht im Unternehmen liegt.<\/td>\n<\/tr>\n<tr>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\">\u00a0Entstehung durch versehentliche Kopie, Fehlanwendung der Software oder Fehler in der Software<\/td>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\">Entstehung durch versehentliche Falscheingabe (z.B. Tippfehler, Eingabe an unterschiedlichen Touchpoints, Ortsteilname statt Gemeindenamen etc.)<\/td>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\">Entstehung durch Namens\u00e4nderung, Umz\u00fcge, Umfirmierung, Verschmelzung, Gesch\u00e4ftsnachfolge<\/td>\n<\/tr>\n<tr>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\">Gut von Standard-Software erkennbar<\/td>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\">K\u00f6nnen manchmal mit Standard-Dublettensoftware verhindert bzw. herausgefiltert werden<\/td>\n<td class=\"pm-table-cell-content-wrap\" data-colwidth=\"226.67\">K\u00f6nnen nur mit Hilfe einer Referenzdatenbank mit historisierte Ver\u00e4nderungsdaten im Rahmen einer Bereinigung gefunden werden<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div data-layout-column=\"true\" data-column-width=\"50\">\n<div data-layout-content=\"true\">\n<p>&nbsp;<\/p>\n<h2>Gibt&#8217;s ein Gegenmittel?<\/h2>\n<p>Ja! Am besten hilft eine gute Datenhygiene mit regelm\u00e4\u00dfiger <a href=\"https:\/\/bds-online.com\/staging\/produkt-update\/\">Datenbereinigung<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/bds-online.com\/staging\/wp-content\/uploads\/2021\/08\/BDS_Infografik_Dubletten_klein.png\" alt=\"Infografik Dubletten\" width=\"1200\" height=\"401\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Kurz erkl\u00e4rt: Was sind Dubletten? Der Duden definiert Dubletten als \u201cdoppelt vorhandenes St\u00fcck in einer Sammlung o. \u00e4.\u201d.\u00a0 Etwas ausf\u00fchrlicher und auch gleich deutlich komplizierter wird Wikipedia: \u201cDatensatz\u00a0in einer\u00a0Datenbank, der redundant, d. h.<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":3,"featured_media":2934,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93],"tags":[],"class_list":["post-2917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kurz-erklaert"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kurz erkl\u00e4rt: Was sind Dubletten? - Kurz erkl\u00e4rt von Business Data Solutions<\/title>\n<meta name=\"description\" content=\"Der &quot;Kurz erkl\u00e4rt&quot;- Beitrag handelt von unabsichtlich und unbemerkt erzeugten Dubletten in Adressdatenb\u00e4nken, deren Entstehung und Vermeidung.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kurz erkl\u00e4rt: Was sind Dubletten? 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