1.0dbi Bloghttps://www.dbi-services.com/blogrich600338<blockquote class="wp-embedded-content" data-secret="3Xt4QBFhTO"><a href="https://www.dbi-services.com/blog/oracle-12cr2-online-tablespace-encryption/">Oracle 12cR2: Online tablespace encryption</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.dbi-services.com/blog/oracle-12cr2-online-tablespace-encryption/embed/#?secret=3Xt4QBFhTO" width="600" height="338" title="“Oracle 12cR2: Online tablespace encryption” — dbi Blog" data-secret="3Xt4QBFhTO" 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); //# sourceURL=https://www.dbi-services.com/blog/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://www.dbi-services.com/blog/wp-content/uploads/sites/2/2022/04/Online_encryption_ASH_Response_Time.png1709177By Franck Pachot . By default, all data is visible in the datafiles. Transparent Tablespace Encryption (TDE) can be used to get them encrypted. It requires Enterprise Edition plus Advanced Security Option. Except in the Oracle Cloud when it is available – and mandatory – in all editions. And we can foresee that security policies […]