The theory of data integration forms a subset of database theory and formalizes the underlying concepts of the problem in first-order logic. Applying the theories gives indications as to the feasibility and difficulty of data integration.
Informatica Data Quality Use Cases and Deployment Scope. IDQ is used to update the customer data with correct address, name, phone numbers etc. It's used in the Digital IT department at my current organisation. It identifies the duplicate customers and maintains the up to date details of a customer.
System Security Analyst Job Duties: Establishes system controls by developing framework for controls and levels of access; recommending improvements. Maintains access by providing information, resources, and technical support.