1.0IRIhttps://beta.iri.com/blogClaudia Irvinehttps://beta.iri.com/blog/author/claudiai/rich600338<blockquote class="wp-embedded-content" data-secret="uRqVFBbsmu"><a href="https://beta.iri.com/blog/vldb-operations/er-diagrams-in-iri-workbench/">ER Diagrams in IRI Workbench</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://beta.iri.com/blog/vldb-operations/er-diagrams-in-iri-workbench/embed/#?secret=uRqVFBbsmu" width="600" height="338" title="“ER Diagrams in IRI Workbench” — IRI" data-secret="uRqVFBbsmu" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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); /* ]]> */ </script> https://beta.iri.com/blog/wp-content/uploads/2015/07/t_Schema-Migration-to-Star-.jpg505312The Entity-Relationship Diagram (ERD), or entity relationship model, is a visual depiction of database tables (entities) and how they are linked through primary and foreign keys (relationships) to each other. This article describes ERDs in more detail, and highlights the free ERD wizard IRI provides for multiple databases connected in Eclipse within its Workbench IDE. Table AttributesRead More