{"id":4411,"date":"2022-06-03T10:50:48","date_gmt":"2022-06-03T10:50:48","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=4411"},"modified":"2022-06-03T10:50:48","modified_gmt":"2022-06-03T10:50:48","slug":"what-is-modification-anomalies-in-dbms","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/dbms\/what-is-modification-anomalies-in-dbms\/","title":{"rendered":"What is modification anomalies in DBMS ?"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-4412 aligncenter\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/05\/Data-modification-anamolies-in-Normalization.jpg\" alt=\"\" width=\"528\" height=\"439\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/05\/Data-modification-anamolies-in-Normalization.jpg 528w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/05\/Data-modification-anamolies-in-Normalization-300x249.jpg 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/05\/Data-modification-anamolies-in-Normalization-390x324.jpg 390w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/><\/p>\n<h4 id=\"there-are-3-types-of-data-modification-anomalies\">There are 3 types of Data Modification Anomalies:<\/h4>\n<h4 id=\"insertion-anomaly\"><strong>Insertion Anomaly:<\/strong><\/h4>\n<ul>\n<li>When one cannot insert a tuple into a relationship due to lack of data is called as Insertion Anomaly.<\/li>\n<\/ul>\n<h4 id=\"deletion-anomaly\"><strong>Deletion Anomaly:<\/strong><\/h4>\n<ul>\n<li>When a deletion of data results in some un intended loss of important data, then it is referred to as Deletion Anomaly.<\/li>\n<\/ul>\n<h4 id=\"update-anomaly\"><strong>Update Anomaly:<\/strong><\/h4>\n<ul>\n<li>When an single data value requires an update for multiple rows of data to be updated, it is referred to as update Anomaly.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>There are 3 types of Data Modification Anomalies: Insertion Anomaly: When one cannot insert a tuple into a relationship due to lack of data is called as Insertion Anomaly. Deletion Anomaly: When a deletion of data results in some un intended loss of important data, then it is referred to as Deletion Anomaly. Update Anomaly: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7157],"tags":[17412,17416,17415,17413,17418,17411,17422,17417,17419,17424,17425,17420,17410,17421,17423,17414],"class_list":["post-4411","post","type-post","status-publish","format-standard","hentry","category-dbms","tag-anomalies","tag-anomalies-in-database","tag-anomalies-in-dbms","tag-data-anomalies","tag-data-anomalies-types","tag-database-anomalies","tag-database-anomalies-and-its-types","tag-insertion-anomalies-in-dbms","tag-modification-anomalies","tag-modification-anomalies-in-dbms","tag-modification-anomalies-in-dbms-with-examples","tag-normalization-anomalies","tag-types-of-anomalies","tag-types-of-normalizations","tag-update-anomalies","tag-updation-anomalies-in-dbms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is modification anomalies in DBMS - 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