![Marketers ask: What can Hadoop do that my data warehouse can’t? Big data has both structured and unstructured elements.](https://blogs.sas.com/content/customeranalytics/files/2015/07/big-data-is-not-new.png)
Recently, I was given the opportunity to present a session titled, An Executive’s Cheat Sheet on Hadoop, the Enterprise Data Warehouse and the Data Lake at the SAS Global Forum Executive Conference. During this standing-room only session, I addressed these five questions: What can Hadoop do that my data warehouse can’t?