{"version":"1.0","provider_name":"infoShare Academy Blog","provider_url":"https:\/\/infoshareacademy.com\/blog","author_name":"mateusz.piernikarczyk@infoshareacademy.com","author_url":"https:\/\/infoshareacademy.com\/blog\/author\/mateusz-piernikarczykinfoshareacademy-com\/","title":"Czym jest profilowanie danych w pracy in\u017cyniera danych? - infoShare Academy Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"teK8WvlQtQ\"><a href=\"https:\/\/infoshareacademy.com\/blog\/czym-jest-profilowanie-danych-w-pracy-inzyniera-danych\/\">Czym jest profilowanie danych w pracy in\u017cyniera danych?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/infoshareacademy.com\/blog\/czym-jest-profilowanie-danych-w-pracy-inzyniera-danych\/embed\/#?secret=teK8WvlQtQ\" width=\"600\" height=\"338\" title=\"&#8222;Czym jest profilowanie danych w pracy in\u017cyniera danych?&#8221; &#8212; infoShare Academy Blog\" data-secret=\"teK8WvlQtQ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/infoshareacademy.com\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2026\/09\/Czym_jest_profilowanie_danych_obrazek_wyr_niaj_cy.png","thumbnail_width":1200,"thumbnail_height":628,"description":"Kiedy s\u0142yszymy ETL lub ELT pierwsze co przychodzi nam na my\u015bl to transformacje, \u017ar\u00f3d\u0142a oraz miejsce zapisu. Zastanawiamy si\u0119 nad agregacj\u0105, odpowiednimi relacjami oraz jak ma wygl\u0105da\u0107 tabela ko\u0144cowa. Natomiast jest wiele element\u00f3w na kt\u00f3re r\u00f3wnie\u017c nale\u017cy zwr\u00f3ci\u0107 uwag\u0119, aby unikn\u0105\u0107 b\u0142\u0119d\u00f3w lub dodatkowej pracy w przysz\u0142o\u015bci. Pierwszym takim elementem jest profilowanie danych (ang. Data &hellip;"}