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{"id":4076,"date":"2022-04-04T09:11:49","date_gmt":"2022-04-04T09:11:49","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=4076"},"modified":"2022-04-04T09:11:49","modified_gmt":"2022-04-04T09:11:49","slug":"what-are-the-different-types-of-nosql-databases-give-some-examples","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/mongodb\/what-are-the-different-types-of-nosql-databases-give-some-examples\/","title":{"rendered":"What are the different types of NoSQL databases ? Give some examples"},"content":{"rendered":"<ul>\n<li style=\"text-align: justify;\">A Database, which stores data in a format different from relational databases, hence is known as NoSQL Database.<\/li>\n<li style=\"text-align: justify;\">NoSQL- \u201cnot only SQL\u201d which pertains to the fact that either the database can store and manage data using \u201cno SQL\u201d at all.<\/li>\n<li style=\"text-align: justify;\">It can work in a\u00a0combination\u00a0that combines the flexibility of the\u00a0newer\u00a0method\u00a0(NoSQL) with the\u00a0strength\u00a0of the\u00a0traditional\u00a0relational\u00a0system\u00a0(SQL).<\/li>\n<li style=\"text-align: justify;\">In NoSQL database, there are four types:<\/li>\n<\/ul>\n<ol style=\"text-align: justify;\">\n<li style=\"list-style-type: none;\">\n<ol>\n<li style=\"text-align: justify;\">Key value NoSQL database<\/li>\n<li style=\"text-align: justify;\">Document NoSQL database<\/li>\n<li style=\"text-align: justify;\">Column family NoSQL database<\/li>\n<li style=\"text-align: justify;\">Graph base NoSQL database<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-4077\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db.png\" alt=\"\" width=\"1183\" height=\"958\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db.png 1183w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db-300x243.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db-1024x829.png 1024w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db-768x622.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db-390x316.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db-820x664.png 820w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/types-of-nosql-db-1180x956.png 1180w\" sizes=\"(max-width: 1183px) 100vw, 1183px\" \/><\/p>\n<h4 id=\"key-value-nosql-database\" style=\"text-align: justify;\">Key value NoSQL database :<\/h4>\n<ul style=\"text-align: justify;\">\n<li style=\"text-align: justify;\">In NoSQL database this is the simplest type.<\/li>\n<li style=\"text-align: justify;\">In this type, the data is stored in the form of key\/value pairs.<\/li>\n<li style=\"text-align: justify;\">The value can be a JSON, BLOB (Binary Large Objects), string, etc.<\/li>\n<li style=\"text-align: justify;\">It Stores maintain data as pair consisting of an index key and a value.<\/li>\n<li style=\"text-align: justify;\">The value in a key-value store can be anything: a string, a number, but also an entirely new set of key-value pairs encapsulated in an object.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-4078 aligncenter\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/keyvalue-nospql-db.png\" alt=\"\" width=\"660\" height=\"595\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/keyvalue-nospql-db.png 660w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/keyvalue-nospql-db-300x270.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/keyvalue-nospql-db-390x352.png 390w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p>\n<h4 id=\"document-nosql-database\" style=\"text-align: justify;\">Document NoSQL database :<\/h4>\n<ul style=\"text-align: justify;\">\n<li>In this, the values are stored in structured documents like XML or JSON, and it is an extension of the simplicity of Key-Value stores.<\/li>\n<li>In object-oriented software, Document stores make it easy to map Objects.<\/li>\n<li>It does not support relations and allows us to store complex data in document formats (JSON, XML etc.).<\/li>\n<li>There is no relational integrity, and Each document in the document store is independent.<\/li>\n<li>It can be used for all use cases of a KV store database, and also data in each document can be in a different format.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-4081 aligncenter\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/document-nosql-db.png\" alt=\"\" width=\"560\" height=\"413\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/document-nosql-db.png 560w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/document-nosql-db-300x221.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/document-nosql-db-390x288.png 390w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/p>\n<h4 id=\"column-family-nosql-database\" style=\"text-align: justify;\">Column family NoSQL database :<\/h4>\n<ul style=\"text-align: justify;\">\n<li>It is developed to store and process very large amounts of data distributed over many machines.<\/li>\n<li>The columns are arranged by column family, and they point to multiple columns.<\/li>\n<li>It becomes high performance on aggregation queries like SUM, COUNT, AVG, MIN, etc.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4080 aligncenter\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/column-family-nosql-db-1.png\" alt=\"\" width=\"934\" height=\"498\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/column-family-nosql-db-1.png 934w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/column-family-nosql-db-1-300x160.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/column-family-nosql-db-1-768x409.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/column-family-nosql-db-1-390x208.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/column-family-nosql-db-1-820x437.png 820w\" sizes=\"(max-width: 934px) 100vw, 934px\" \/><\/p>\n<h4 id=\"graph-base-nosql-database\" style=\"text-align: justify;\">Graph base NoSQL database :<\/h4>\n<ul>\n<li style=\"text-align: justify;\">It is the storage of\u00a0graph<em>&#8211;<\/em>oriented data structures and is used for specific purposes.<\/li>\n<li style=\"text-align: justify;\">A graph database is any storage system that provides index-free adjacency.<\/li>\n<li style=\"text-align: justify;\">No index lookups are necessary, and every node contains a direct pointer to its adjacent element.<\/li>\n<li style=\"text-align: justify;\">There is no need to define the types of edges and vertices because it usually comes with a flexible data model.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4079\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/graph-nosql-db.png\" alt=\"\" width=\"871\" height=\"698\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/graph-nosql-db.png 871w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/graph-nosql-db-300x240.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/graph-nosql-db-768x615.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/graph-nosql-db-390x313.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/graph-nosql-db-820x657.png 820w\" sizes=\"(max-width: 871px) 100vw, 871px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Database, which stores data in a format different from relational databases, hence is known as NoSQL Database. NoSQL- \u201cnot only SQL\u201d which pertains to the fact that either the database can store and manage data using \u201cno SQL\u201d at all. It can work in a\u00a0combination\u00a0that combines the flexibility of the\u00a0newer\u00a0method\u00a0(NoSQL) with the\u00a0strength\u00a0of the\u00a0traditional\u00a0relational\u00a0system\u00a0(SQL). In [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[16831],"tags":[16873,16874,16868,1625,16871,16875,16869,16870,16872],"class_list":["post-4076","post","type-post","status-publish","format-standard","hentry","category-mongodb","tag-advantages-of-nosql","tag-different-types-of-nosql-databases","tag-examples-of-nosql-databases","tag-features-of-nosql","tag-list-of-nosql-databases","tag-nosql-database-types","tag-types-of-nosql-databases","tag-what-is-nosql-database","tag-which-of-the-following-is-not-a-valid-nosql-database"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the different types of NoSQL databases ? 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