1.0SuperSiteSkillshttps://supersiteskills.ycona.one/en/WebThinkerhttps://supersiteskills.ycona.one/en/author/webthinker/rich600338<blockquote class="wp-embedded-content" data-secret="o8KQIW1X2v"><a href="https://supersiteskills.ycona.one/en/glossary/database/">Database</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://supersiteskills.ycona.one/en/glossary/database/embed/#?secret=o8KQIW1X2v" width="600" height="338" title="“Database” — SuperSiteSkills" data-secret="o8KQIW1X2v" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://supersiteskills.ycona.one/wp-includes/js/wp-embed.min.js </script> A Database is an organized collection of structured data stored electronically. Databases are managed by Database Management Systems (DBMS) and allow efficient storage, retrieval, and manipulation of data. Types of Databases Relational (SQL) – MySQL, PostgreSQL, SQLite NoSQL – MongoDB, CouchDB, Cassandra In-Memory – Redis, Memcached Graph – Neo4j, ArangoDB