{"id":274,"date":"2025-08-06T05:40:29","date_gmt":"2025-08-06T05:40:29","guid":{"rendered":"https:\/\/mitalgoswami.in\/?p=274"},"modified":"2025-08-27T06:33:19","modified_gmt":"2025-08-27T06:33:19","slug":"what-is-big-data","status":"publish","type":"post","link":"https:\/\/mitalgoswami.in\/?p=274","title":{"rendered":"What is Big Data?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">What is big data?<\/h2>\n\n\n\n<p>Big data is a combination of structured, semi-structured and unstructured data that organizations collect, analyze and mine for information and insights.<\/p>\n\n\n\n<p>Big data refers to\u00a0<em>extremely large and complex data sets<\/em>\u00a0that cannot be easily managed or analyzed with traditional data processing tools<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"732\" src=\"https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/Top-7-Big-Data-Applications-with-Examples-1024x732.webp\" alt=\"\" class=\"wp-image-275\" srcset=\"https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/Top-7-Big-Data-Applications-with-Examples-1024x732.webp 1024w, https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/Top-7-Big-Data-Applications-with-Examples-300x215.webp 300w, https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/Top-7-Big-Data-Applications-with-Examples-768x549.webp 768w, https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/Top-7-Big-Data-Applications-with-Examples.webp 1043w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>DEFINE : NOSQL<\/p>\n\n\n\n<p>NoSQL stands for \u201cNot Only SQL\u201d.<br>\uf0b7 NoSQL is a database that provides mechanism to store &amp; retrieve data other than<br>relational database.<br>\uf0b7 It is a class of DBMS that do not follow all of the rules of a RDBMS and cannot use<br>traditional SQL to query data.<br>\uf0b7 It doesn\u2019t required a fixed schema and have simple API<br>\uf0b7 There are no needs to design a table to store data inside it.<br>\uf0b7 NoSQL database is used for distributed data stores with huge data storage needs<br>\uf0b7 NoSQL is used for Big data and real-time web apps.<\/p>\n\n\n\n<p>what is structured, unstructured and semi structured data in mongodb?<\/p>\n\n\n\n<p>Structured Data:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data with a predefined schema, like rows and columns in a table.<\/li>\n\n\n\n<li>Examples: Customer data (name, address, phone number), financial records, inventory details.<\/li>\n\n\n\n<li>MongoDB can store structured data, but its strength lies in its flexibility for other data types.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>2. Semi-structured Data:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data with a flexible schema, often using tags or markers to organize information.\u00a0<\/li>\n\n\n\n<li>Examples: JSON or XML documents, web logs, email messages.\u00a0<\/li>\n\n\n\n<li>MongoDB excels at handling semi-structured data due to its document model.\u00a0<\/li>\n\n\n\n<li>The document model allows for nested structures and varying fields within a document.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>3. Unstructured Data:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data with no predefined format or schema, like text documents, images, audio, and video.\u00a0<\/li>\n\n\n\n<li>Examples: Social media posts, sensor data, scanned documents.\u00a0<\/li>\n\n\n\n<li>MongoDB can store unstructured data, often within its documents or by referencing external storage.\u00a0<\/li>\n\n\n\n<li>Specialized tools and techniques may be needed to process and extract insights from unstructured data.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>MongoDB\u2019s Strengths:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flexibility:<\/strong>\u00a0MongoDB\u2019s document model and flexible schema allow it to adapt to changing data requirements.\u00a0<\/li>\n\n\n\n<li><strong>Scalability:<\/strong>\u00a0MongoDB can handle large volumes of data and high traffic loads.\u00a0<\/li>\n\n\n\n<li><strong>Performance:<\/strong>\u00a0MongoDB\u2019s indexing capabilities and query language (MongoDB Query Language \u2013 MQL) allow for efficient data retrieval.\u00a0<\/li>\n\n\n\n<li><strong>Integration:<\/strong>\u00a0MongoDB can integrate with various data sources and applications.\u00a0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">The three main features of NoSQL databases are<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">1. Scale-out: Scale-out refers to achieving high performance by using many machines in a distributed manner.<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">2. Replication: Replication is the copying of data to achieve data redundancy and load distribution.<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">3. Flexible data structure : A flexible data structure means that there is no need to define a structure as a <em>database schema<\/em>.<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"355\" src=\"https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/a.jpg\" alt=\"\" class=\"wp-image-278\" srcset=\"https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/a.jpg 510w, https:\/\/mitalgoswami.in\/wp-content\/uploads\/2025\/08\/a-300x209.jpg 300w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Topic:- History<\/h2>\n\n\n\n<p><strong><u>Trailer:- (Only For Understanding)<\/u><\/strong><\/p>\n\n\n\n<p>(1) This question is about to understand that how NoSQL term started and what is the history?<\/p>\n\n\n\n<p><strong><u>Details:- (For Exam)<\/u><\/strong><strong><u><\/u><\/strong><\/p>\n\n\n\n<p>The term <em>NoSQL<\/em> was used by <strong>&#8220;Carlo Strozzi in 1998<\/strong>&#8221; to name his lightweight database.<\/p>\n\n\n\n<p>It was NOSQL open source relational database that did not expose the standard SQL interface, but was still relational.<\/p>\n\n\n\n<p>Most of the early <strong>NoSQL systems did not attempt to provide<\/strong> (ACID) atomicity, consistency, isolation and durability guarantees that will provided here.<\/p>\n\n\n\n<p>Based <strong>on 2014 revenue<\/strong>, the NoSQL market leaders are <a href=\"https:\/\/en.wikipedia.org\/wiki\/MarkLogic\">MarkLogic<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/MongoDB\">MongoDB<\/a>, and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Datastax\">Datastax<\/a>.<\/p>\n\n\n\n<p>Based on <strong>2015 popularity rankings, the most popular NoSQL databases are <a href=\"https:\/\/en.wikipedia.org\/wiki\/MongoDB\">MongoDB<\/a><\/strong>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Apache_Cassandra\">Apache Cassandra<\/a>, and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Redis\">Redis<\/a>.<\/p>\n\n\n\n<p><strong><u>Topic:- Types of NoSQL databases<\/u><\/strong><\/p>\n\n\n\n<p><strong><u>1. Key-value data stores:<\/u><\/strong>[Redis]<\/p>\n\n\n\n<p>2.<strong><u>Document based data stores:-<\/u><\/strong> [mongodb]<\/p>\n\n\n\n<p>3.<strong><u>Graph based data stores<\/u><\/strong>:-[Neo4j]<\/p>\n\n\n\n<p>4.<strong><u>Column based data store:-<\/u><\/strong>[RDBMS]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is big data? Big data is a combination of structured, semi-structured and unstructured data that organizations collect, analyze and mine for information and insights. Big data refers to\u00a0extremely large and complex data sets\u00a0that cannot be easily managed or analyzed with traditional data processing tools DEFINE : NOSQL NoSQL stands for \u201cNot Only SQL\u201d.\uf0b7 NoSQL [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-274","post","type-post","status-publish","format-standard","hentry","category-mongodb"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=\/wp\/v2\/posts\/274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=274"}],"version-history":[{"count":3,"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=\/wp\/v2\/posts\/274\/revisions"}],"predecessor-version":[{"id":279,"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=\/wp\/v2\/posts\/274\/revisions\/279"}],"wp:attachment":[{"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mitalgoswami.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}