Please assist with below:

1.Differentiate the role that data redundancy and data independence play in the database management system concept. Is either of these concepts desirable for a database Explain your decision for choosing the concept that is desirable. 2.Describe the role that the need for data as a manageable resource led to the relational database development. 3.Why does data redundancy lead to data integrity problems? 4.Describe each of the following anomalies based on the video presentation for this chapter: deletion, insertion, and update.