QUESTION 11 A technique using artificial intelligence to upgrade the quality of raw data is called: O data scrubbing O data reconciliation. O completion backwards updates. o dumping QUESTION 12 OLAP tools are: Read-only tools Read, write, and delete tools O Write-only tools O Read and write tools QUESTION 13 Which of the following processes is typically the most time- and resource-consuming? Creating the data warehouse tables using the DBMS functionalities o Creating the OLAP query Creating the ETL infrastructure Creating the data warehouse model to save all a