t concerns might be data set of raw data before it is used for analysis? How might these eoneerns be addressed? 2. Outline some specifie steps an organization might take to perform data eleansing to ensure the aceuracy and completeness of its eustomer database before adding this data to a data warehouse. How would you decide when the data is accurate enough? 3, SQL databases conform to ACID properties. Briefly describe the ACID properties, and state the purpose of each. How does conformance to ACID properties affect the performance of SQL databases? Describe how a NoSQL database differs from a relational database. Identify and briefly discuss the four types of NosQL databases