114 lines
56 KiB
HTML
Raw Normal View History

<!doctype html>
<html lang="en" dir="ltr" class="docs-wrapper docs-doc-page docs-version-current plugin-docs plugin-id-default docs-doc-id-docs/what-is-datahub/datahub-concepts" data-has-hydrated="false">
<head>
<meta charset="UTF-8">
<meta name="generator" content="Docusaurus v2.4.3">
<title data-rh="true">DataHub Concepts | DataHub</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://docs.datahub.com/docs/what-is-datahub/datahub-concepts"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="DataHub Concepts | DataHub"><meta data-rh="true" name="description" content="Explore key concepts of DataHub to take full advantage of its capabilities in managing your data."><meta data-rh="true" property="og:description" content="Explore key concepts of DataHub to take full advantage of its capabilities in managing your data."><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://docs.datahub.com/docs/what-is-datahub/datahub-concepts"><link data-rh="true" rel="alternate" href="https://docs.datahub.com/docs/what-is-datahub/datahub-concepts" hreflang="en"><link data-rh="true" rel="alternate" href="https://docs.datahub.com/docs/what-is-datahub/datahub-concepts" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://RK0UG797F3-dsn.algolia.net" crossorigin="anonymous"><link rel="alternate" type="application/rss+xml" href="/learn/rss.xml" title="DataHub RSS Feed">
<link rel="alternate" type="application/atom+xml" href="/learn/atom.xml" title="DataHub Atom Feed">
<link rel="preconnect" href="https://www.google-analytics.com">
<link rel="preconnect" href="https://www.googletagmanager.com">
<script async src="https://www.googletagmanager.com/gtag/js?id=G-PKGVLETT4C"></script>
<script>function gtag(){dataLayer.push(arguments)}window.dataLayer=window.dataLayer||[],gtag("js",new Date),gtag("config","G-PKGVLETT4C",{})</script>
<link rel="preconnect" href="https://www.googletagmanager.com">
<script>window.dataLayer=window.dataLayer||[]</script>
<script>!function(e,t,a,n,g){e[n]=e[n]||[],e[n].push({"gtm.start":(new Date).getTime(),event:"gtm.js"});var m=t.getElementsByTagName(a)[0],r=t.createElement(a);r.async=!0,r.src="https://www.googletagmanager.com/gtm.js?id=GTM-5M8T9HNN",m.parentNode.insertBefore(r,m)}(window,document,"script","dataLayer")</script>
<link rel="search" type="application/opensearchdescription+xml" title="DataHub" href="/opensearch.xml">
<meta httpequiv="Content-Security-Policy" content="frame-ancestors &#39;self&#39; https://*.acryl.io https://acryldata.io http://localhost:*">
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;700&display=swap">
<script src="https://tools.luckyorange.com/core/lo.js?site-id=28ea8a38" async defer="defer"></script>
<script src="/scripts/rb2b.js" async defer="defer"></script>
<script src="https://app.revenuehero.io/scheduler.min.js"></script>
<script src="https://tag.clearbitscripts.com/v1/pk_2e321cabe30432a5c44c0424781aa35f/tags.js" referrerpolicy="strict-origin-when-cross-origin"></script>
<script src="/scripts/reo.js"></script>
<script id="runllm-widget-script" type="module" src="https://widget.runllm.com" crossorigin="true" runllm-name="DataHub" runllm-assistant-id="81" runllm-position="BOTTOM_RIGHT" runllm-keyboard-shortcut="Mod+j" runllm-preset="docusaurus" runllm-theme-color="#1890FF" runllm-brand-logo="https://docs.datahub.com/img/datahub-logo-color-mark.svg" runllm-community-url="https://datahub.com/slack" runllm-community-type="slack" runllm-disable-ask-a-person="true" async></script><link rel="stylesheet" href="/assets/css/styles.d8fe2eb8.css">
<link rel="preload" href="/assets/js/runtime~main.310f59c4.js" as="script">
<link rel="preload" href="/assets/js/main.49198d73.js" as="script">
</head>
<body class="navigation-with-keyboard">
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-5M8T9HNN" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=new URLSearchParams(window.location.search).get("docusaurus-theme")}catch(t){}return t}()||function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}(),document.documentElement.setAttribute("data-announcement-bar-initially-dismissed",function(){try{return"true"===localStorage.getItem("docusaurus.announcement.dismiss")}catch(t){}return!1}())</script><div id="__docusaurus">
<div role="region" aria-label="Skip to main content"><a class="skipToContent_fXgn" href="#__docusaurus_skipToContent_fallback">Skip to main content</a></div><div class="announcementBar_mb4j" style="background-color:transparent;color:#ffffff" role="banner"><div class="content_knG7 announcementBarContent_xLdY"><div class="shimmer-banner"><p>DataHub Secures $35 Million Series B</p><a href="https://datahub.com/news/series-b-announcement/" target="_blank" class="button"><div>Read the announcement<span></span></div></a></div></div></div><nav aria-label="Main" class="navbar navbar--fixed-top"><div class="navbar__inner"><div class="navbar__items"><button aria-label="Toggle navigation bar" aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="2" d="M4 7h22M4 15h22M4 23h22"></path></svg></button><a href="https://datahub.com" target="_blank" rel="noopener noreferrer" class="navbar__brand"><div class="navbar__logo"><img src="/img/datahub-logo-color-light-horizontal.svg" alt="DataHub Logo" class="themedImage_ToTc themedImage--light_HNdA"><img src="/img/datahub-logo-color-dark-horizontal.svg" alt="DataHub Logo" class="themedImage_ToTc themedImage--dark_i4oU"></div></a><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link versionNavItem_cbn8">Next</a><ul class="dropdown__menu"><li><a aria-current="page" class="dropdown__link dropdown__link--active" href="/docs/what-is-datahub/datahub-concepts">Next</a></li><li><a class="dropdown__link" href="/docs/1.1.0/what-is-datahub/datahub-concepts">1.1.0</a></li><li><hr class="dropdown-separator" style="margin: 0.4rem;"></li><li><div class="dropdown__link"><b>Archived versions</b></div></li><li>
<a class="dropdown__link" href="https://docs-website-t9sv4w3gr-acryldata.vercel.app/docs/features">1.0.0
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-t9sv4w3gr-acryldata.vercel.app/docs/0.15.0/features">0.15.0
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-8jkm4uler-acryldata.vercel.app/docs/0.14.1/features">0.14.1
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-eue2qafvn-acryldata.vercel.app/docs/features">0.14.0
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-psat3nzgi-acryldata.vercel.app/docs/features">0.13.1
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-lzxh86531-acryldata.vercel.app/docs/features">0.13.0
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-2uuxmgza2-acryldata.vercel.app/docs/features">0.12.1
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-irpoe2osc-acryldata.vercel.app/docs/features">0.11.0
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li><li>
<a class="dropdown__link" href="https://docs-website-1gv2yzn9d-acryldata.vercel.app/docs/features">0.10.5
<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
</a>
</li></ul></div></div><div class="navbar__items navbar__items--right"><a aria-current="page" class="navbar__item navbar__link navbar__link--active" href="/docs">Docs</a><a class="navbar__item navbar__link" href="/integrations">Integrations</a><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link">Learn</a><ul class="dropdown__menu dropdown__menu_Z8FC"><div class="wrapper_kp81"><div><a href="https://datahub.com/weekly-demo" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-join-slack.png" alt="Weekly Demo"></div><div class="title_c7DP">Weekly Demo</div></a></div><div><a href="https://datahub.com/use-cases" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-forum.png" alt="Use Cases"></div><div class="title_c7DP">Use Cases</div></a></div><div><a href="httpps://datahub.com/adoption-stories" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-events.png" alt="Adoption Stories"></div><div class="title_c7DP">Adoption Stories</div></a></div><div><a href="https://medium.com/datahub-project" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-champions.png" alt="Blog"></div><div class="title_c7DP">Blog</div></a></div><div><a href="https://www.youtube.com/channel/UC3qFQC5IiwR5fvWEqi_tJ5w" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-share-your-journey.png" alt="Youtube"></div><div class="title_c7DP">Youtube</div></a></div></div></ul></div><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link">Community</a><ul class="dropdown__menu dropdown__menu_Z8FC"><div class="wrapper_kp81"><div><a href="https://datahub.com/slack/" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-join-slack.png" alt="Join Slack"></div><div class="title_c7DP">Join Slack</div></a></div><div><a href="https://datahub.com/events" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-events.png" alt="Events"></div><div class="title_c7DP">Events</div></a></div><div><a href="https://datahub.com/champions/" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-champions.png" alt="Champions"></div><div class="title_c7DP">Champions</div></a></div><div><a href="https://datahub.com/share-your-journey/" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-share-your-journey.png" alt="Share Your Journey"></div><div class="title_c7DP">Share Your Journey</div></a></div></div></ul></div><a href="https://datahub.com/products/why-datahub-cloud/" target="_blank" rel="noopener noreferrer" class="navbar__item navbar__link">
<style>
.cloud-cta {
color: var(--ifm-menu-color-active);
font-weight: 600;
background: linear-gradient(40deg, var(--ifm-menu-color-active), var(--ifm-menu-color-active));
background-size: 200% 100%;
-webkit-background-clip: text;
background-clip: text;
transition: background-image 0.3s ease;
}
.cloud-cta:hover {
color: transparent;
background: linear-gradient(40deg, var(--ifm-menu-color-active), #ff1493);
background-size: 200% 100%;
-webkit-background-clip: text;
background-clip: text;
animation: gradientShift 3s ease infinite;
}
@keyframes gradientShift {
0%, 100% { background-position: 0% 50%; }
50% { background-position: 100% 50%; }
}
</style>
<div class="cloud-cta">Get Cloud</div>
</a><a href="https://datahub.com/slack?utm_source=docs&amp;utm_medium=header&amp;utm_campaign=docs_header" target="_blank" rel="noopener noreferrer" class="navbar__item navbar__link">
<style>
.slack-logo:hover {
opacity: 0.8;
}
</style>
<img class="slack-logo" src="https://upload.wikimedia.org/wikipedia/commons/d/d5/Slack_icon_2019.svg" , alt="slack" , height="20px" style="margin: 10px 0 0 0;">
</a><div class="searchBox_ZlJk"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search"><span class="DocSearch-Button-Container"><svg width="20" height="20" class="DocSearch-Search-Icon" viewBox="0 0 20 20" aria-hidden="true"><path d="M14.386 14.386l4.0877 4.0877-4.0877-4.0877c-2.9418 2.9419-7.7115 2.9419-10.6533 0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"></span></button></div></div></div><div role="presentation" class="navbar-sidebar__backdrop"></div></nav><div id="__docusaurus_skipToContent_fallback" class="main-wrapper mainWrapper_z2l0 docsWrapper_BCFX"><button aria-label="Scroll back to top" class="clean-btn theme-back-to-top-button backToTopButton_sjWU" type="button"></button><div class="docPage__5DB"><aside class="theme-doc-sidebar-container docSidebarContainer_b6E3"><div class="sidebarViewport_Xe31"><div class="sidebar_njMd"><nav aria-label="Docs sidebar" class="menu thin-scrollbar menu_SIkG menuWithAnnouncementBar_GW3s"><ul class="theme-doc-sidebar-menu menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menuHtmlItem_M9Kj menu__list-item"><div>Getting Started</div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/features">What Is DataHub?</a><button aria-label="Toggle the collapsible sidebar category &#x27;What Is DataHub?&#x27;" type="button" class="clean-btn menu__caret"></button></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/category/features">Features</a><button aria-label="Toggle the collapsible sidebar category &#x27;Features&#x27;" type="button" class="clean-btn menu__caret"></button></div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menuHtmlItem_M9Kj menu__list-item"><div>DataHub Cloud</div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/managed-datahub/managed-datahub-overview">DataHub Cloud Overview</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/managed-datahub/welcome-acryl">Getting Started with DataHub Cloud</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/authentication/guides/sso/initialize-oidc">Configure Single Sign-On</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/managed-datahub/remote-executor/about">Remote Executor</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/managed-datahub/datahub-api/entity-events-api">DataHub API</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--subli
Used along-side with <a href="/docs/authentication/introducing-metadata-service-authentication">authentication-enabled metadata service</a>, PATs add a layer of protection to DataHub where only authorized users are able to perform actions in an automated way.</p><blockquote><ul><li><a href="/docs/authentication/personal-access-tokens">Authentication: About DataHub Personal Access Tokens</a></li><li><a href="/docs/generated/metamodel/entities/datahubaccesstoken">Developer Guides: DataHubAccessToken</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="view">View<a href="#view" class="hash-link" aria-label="Direct link to View" title="Direct link to View"></a></h3><p>Views allow you to save and share sets of filters for reuse when browsing DataHub. A view can either be public or personal.</p><blockquote><ul><li><a href="/docs/generated/metamodel/entities/datahubview">DataHubView</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="deprecation">Deprecation<a href="#deprecation" class="hash-link" aria-label="Direct link to Deprecation" title="Direct link to Deprecation"></a></h3><p>Deprecation is an aspect that indicates the deprecation status of an entity. Typically it is expressed as a Boolean value.</p><blockquote><ul><li><a href="/docs/generated/metamodel/entities/dataset#deprecation">Deprecation of a dataset</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ingestion-source">Ingestion Source<a href="#ingestion-source" class="hash-link" aria-label="Direct link to Ingestion Source" title="Direct link to Ingestion Source"></a></h3><p>Ingestion sources refer to the data systems that we are extracting metadata from. For example, we have sources for BigQuery, Looker, Tableau and many others.</p><blockquote><ul><li><a href="/docs/metadata-ingestion#sources">Sources</a></li><li><a href="/integrations">DataHub Integrations</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="container">Container<a href="#container" class="hash-link" aria-label="Direct link to Container" title="Direct link to Container"></a></h3><p>A container of related data assets.</p><blockquote><ul><li><a href="/docs/generated/metamodel/entities/container">Developer Guides: Container</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="data-platform">Data Platform<a href="#data-platform" class="hash-link" aria-label="Direct link to Data Platform" title="Direct link to Data Platform"></a></h3><p>Data Platforms are systems or tools that contain Datasets, Dashboards, Charts, and all other kinds of data assets modeled in the metadata graph.</p><details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>List of Data Platforms</summary><div><div class="collapsibleContent_i85q"><ul><li>Azure Data Lake (Gen 1)</li><li>Azure Data Lake (Gen 2)</li><li>Airflow</li><li>Ambry</li><li>ClickHouse</li><li>Couchbase</li><li>External Source</li><li>HDFS</li><li>SAP HANA</li><li>Hive</li><li>Iceberg</li><li>AWS S3</li><li>Kafka</li><li>Kafka Connect</li><li>Kusto</li><li>Mode</li><li>MongoDB</li><li>MySQL</li><li>MariaDB</li><li>OpenAPI</li><li>Oracle</li><li>Pinot</li><li>PostgreSQL</li><li>Presto</li><li>Tableau</li><li>Vertica</li></ul><p>Reference : <a href="https://github.com/datahub-project/datahub/blob/master/metadata-service/configuration/src/main/resources/bootstrap_mcps/data-platforms.yaml" target="_blank" rel="noopener noreferrer">data_platforms.yaml</a></p></div></div></details><blockquote><ul><li><a href="/docs/generated/metamodel/entities/dataplatform">Developer Guides: Data Platform</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="dataset">Dataset<a href="#dataset" class="hash-link" aria-label="Direct link to Dataset" title="Direct link to Dataset"></a></h3><p>Datasets represent collections of data that are typically represented as Tables or Views in a database (e.g. BigQuery, Snowflake, Redshift etc.), Streams in a stream-processing environment (Kafka, Pulsar etc.)
In orchestration systems, this is sometimes referred to as an individual &quot;Task&quot; within a &quot;DAG&quot;. Examples include an Airflow Task.</p><blockquote><ul><li><a href="/docs/generated/metamodel/entities/datajob">Developer Guides: Data Job</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="data-flow">Data Flow<a href="#data-flow" class="hash-link" aria-label="Direct link to Data Flow" title="Direct link to Data Flow"></a></h3><p>An executable collection of Data Jobs with dependencies among them, or a DAG.
Sometimes referred to as a &quot;Pipeline&quot;. Examples include an Airflow DAG.</p><blockquote><ul><li><a href="/docs/generated/metamodel/entities/dataflow">Developer Guides: Data Flow</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="glossary-term">Glossary Term<a href="#glossary-term" class="hash-link" aria-label="Direct link to Glossary Term" title="Direct link to Glossary Term"></a></h3><p>Shared vocabulary within the data ecosystem.</p><blockquote><ul><li><a href="/docs/glossary/business-glossary">Feature Guides: Glossary</a></li><li><a href="/docs/generated/metamodel/entities/glossaryterm">Developer Guides: GlossaryTerm</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="glossary-term-group">Glossary Term Group<a href="#glossary-term-group" class="hash-link" aria-label="Direct link to Glossary Term Group" title="Direct link to Glossary Term Group"></a></h3><p>Glossary Term Group is similar to a folder, containing Terms and even other Term Groups to allow for a nested structure.</p><blockquote><ul><li><a href="/docs/glossary/business-glossary#terms--term-groups">Feature Guides: Term &amp; Term Group</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="tag">Tag<a href="#tag" class="hash-link" aria-label="Direct link to Tag" title="Direct link to Tag"></a></h3><p>Tags are informal, loosely controlled labels that help in search &amp; discovery. They can be added to datasets, dataset schemas, or containers, for an easy way to label or categorize entities without having to associate them to a broader business glossary or vocabulary.</p><blockquote><ul><li><a href="/docs/tags">Feature Guides: About DataHub Tags</a></li><li><a href="/docs/generated/metamodel/entities/tag">Developer Guides: Tags</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="domain">Domain<a href="#domain" class="hash-link" aria-label="Direct link to Domain" title="Direct link to Domain"></a></h3><p>Domains are curated, top-level folders or categories where related assets can be explicitly grouped.</p><blockquote><ul><li><a href="/docs/domains">Feature Guides: About DataHub Domains</a></li><li><a href="/docs/generated/metamodel/entities/domain">Developer Guides: Domain</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="owner">Owner<a href="#owner" class="hash-link" aria-label="Direct link to Owner" title="Direct link to Owner"></a></h3><p>Owner refers to the users or groups that has ownership rights over entities. For example, owner can be acceessed to dataset or a column or a dataset.</p><blockquote><ul><li><a href="/docs/api/tutorials/owners#add-owners">Getting Started : Adding Owners On Datasets/Columns</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="users-corpuser">Users (CorpUser)<a href="#users-corpuser" class="hash-link" aria-label="Direct link to Users (CorpUser)" title="Direct link to Users (CorpUser)"></a></h3><p>CorpUser represents an identity of a person (or an account) in the enterprise.</p><blockquote><ul><li><a href="/docs/generated/metamodel/entities/corpuser">Developer Guides: CorpUser</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="groups-corpgroup">Groups (CorpGroup)<a href="#groups-corpgroup" class="hash-link" aria-label="Direct link to Groups (CorpGroup)" title="Direct link to Groups (CorpGroup)"></a></h3><p>CorpGroup represents an identity of a group of users in the enterprise.</p><blockquote><ul><li><a href="/docs/generated/metamodel/entities/corpgroup">Developer Guides: CorpGroup</a></li></ul></blockquote><h2 class="anchor anchorWithStickyNavbar_LWe7" id="metadata-model">Metadata Model<a href="#metadata-model" class="hash-link" aria-label="Direct link to Metadata Model" title="Direct link to Metadata Model"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="entity">Entity<a href="#entity" class="hash-link" aria-label="Direct link to Entity" title="Direct link to Entity"></a></h3><p>An entity is the primar
Aspects can be shared across entities, for example &quot;Ownership&quot; is an aspect that is re-used across all the Entities that have owners.</p><blockquote><ul><li><a href="/docs/what/aspect">What is a metadata aspect?</a></li><li><a href="/docs/metadata-modeling/metadata-model">How does DataHub model metadata?</a></li></ul></blockquote><h3 class="anchor anchorWithStickyNavbar_LWe7" id="relationships">Relationships<a href="#relationships" class="hash-link" aria-label="Direct link to Relationships" title="Direct link to Relationships"></a></h3><p>A relationship represents a named edge between 2 entities. They are declared via foreign key attributes within Aspects along with a custom annotation (@Relationship).</p><blockquote><ul><li><a href="/docs/what/relationship">What is a relationship?</a></li><li><a href="/docs/metadata-modeling/metadata-model">How does DataHub model metadata?</a></li></ul></blockquote></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="slackUtm_uoBr"><div class="slackUtm_uoBr"><hr>Need more help? Join the conversation in <a href="https://datahub.com/slack?utm_source=docs&amp;utm_medium=footer&amp;utm_campaign=docs_footer&amp;utm_content=docs/what-is-datahub/datahub-concepts">Slack!</a></div></div><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/datahub-project/datahub/blob/master/docs/what-is-datahub/datahub-concepts.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_VsjB"></div></div></footer><div class="feedbackWrapper_mUHF"><div class="feedbackWidget_PX4d"><div class="feedbackButtons_wn3V"><strong>Is this page helpful?</strong><div><button class="feedbackButton_UgQs"><span role="img" aria-label="like" class="anticon anticon-like"><svg viewBox="64 64 896 896" focusable="false" data-icon="like" width="1em" height="1em" fill="currentColor" aria-hidden="true"><path d="M885.9 533.7c16.8-22.2 26.1-49.4 26.1-77.7 0-44.9-25.1-87.4-65.5-111.1a67.67 67.67 0 00-34.3-9.3H572.4l6-122.9c1.4-29.7-9.1-57.9-29.5-79.4A106.62 106.62 0 00471 99.9c-52 0-98 35-111.8 85.1l-85.9 311H144c-17.7 0-32 14.3-32 32v364c0 17.7 14.3 32 32 32h601.3c9.2 0 18.2-1.8 26.5-5.4 47.6-20.3 78.3-66.8 78.3-118.4 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7-.2-12.6-2-25.1-5.6-37.1zM184 852V568h81v284h-81zm636.4-353l-21.9 19 13.9 25.4a56.2 56.2 0 016.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 016.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 016.9 27.3c0 22.4-13.2 42.6-33.6 51.8H329V564.8l99.5-360.5a44.1 44.1 0 0142.2-32.3c7.6 0 15.1 2.2 21.1 6.7 9.9 7.4 15.2 18.6 14.6 30.5l-9.6 198.4h314.4C829 418.5 840 436.9 840 456c0 16.5-7.2 32.1-19.6 43z"></path></svg></span></button><button class="feedbackButton_UgQs"><span role="img" aria-label="dislike" class="anticon anticon-dislike"><svg viewBox="64 64 896 896" focusable="false" data-icon="dislike" width="1em" height="1em" fill="currentColor" aria-hidden="true"><path d="M885.9 490.3c3.6-12 5.4-24.4 5.4-37 0-28.3-9.3-55.5-26.1-77.7 3.6-12 5.4-24.4 5.4-37 0-28.3-9.3-55.5-26.1-77.7 3.6-12 5.4-24.4 5.4-37 0-51.6-30.7-98.1-78.3-118.4a66.1 66.1 0 00-26.5-5.4H144c-17.7 0-32 14.3-32 32v364c0 17.7 14.3 32 32 32h129.3l85.8 310.8C372.9 889 418.9 924 470.9 924c29.7 0 57.4-11.8 77.9-33.4 20.5-21.5 31-49.7 29.5-79.4l-6-122.9h239.9c12.1 0 23.9-3.2 34.3-9.3 40.4-23.5 65.5-66.1 65.5-111 0-28.3-9.3-55.5-26.1-77.7zM184 456V172h81v284h-81zm627.2 160.4H496.8l9.6 198.4c.6 11.9-4.7 23.1-14.6 30.5-6.1 4.5-13.6 6.8-21.1 6.7a44.28 44.28 0 01-42.2-32.3L329 459.2V172h415.4a56.85 56.85 0 0133.6 51.8c0 9.7-2.3 18.9-6.9 27.3l-13.9 25.4 21.9 19a56.76 56.76 0 0119.6 43c0 9.7-2.3 18.9-6.9 27.3l-13.9 25.4 21.9 19a56.76 56.76 0
<script src="/assets/js/runtime~main.310f59c4.js"></script>
<script src="/assets/js/main.49198d73.js"></script>
</body>
</html>