{"id":3134,"date":"2021-07-08T18:29:04","date_gmt":"2021-07-09T01:29:04","guid":{"rendered":"https:\/\/www.lightsondata.com\/?post_type=tva_lesson&#038;p=3134"},"modified":"2021-08-11T09:49:20","modified_gmt":"2021-08-11T16:49:20","slug":"the-data-dictionary","status":"publish","type":"tva_lesson","link":"https:\/\/www.lightsondata.com\/course\/the-data-dictionary\/","title":{"rendered":"Data Dictionary"},"content":{"rendered":"<h2>What is a data dictionary<\/h2>\n<p>A data dictionary is a repository of information about data that provides the description of a data element and its metadata. It gives you the specifications about a field in a database.<\/p>\n<p>This specification can include information such as:<\/p>\n<ul>\n<li>Data type<\/li>\n<li>Allowed values<\/li>\n<li>Default values<\/li>\n<li>Constraints (ex: character limit, format, etc.)<\/li>\n<li>Relations to other data elements \u200b<\/li>\n<li>Meaning and purpose of the data set and each field<\/li>\n<\/ul>\n","protected":false},"template":"","class_list":["post-3134","tva_lesson","type-tva_lesson","status-publish","hentry","tva_courses-practical-data-governance","post-wrapper","thrv_wrapper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LightsOnData<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lightsondata.com\/course\/the-data-dictionary\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" 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