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.
Programmer Analyst Job Duties. Depending on the organization, programmer analysts may work with specific computer systems, such as financial, scientific or engineering and tailor such systems to the needs of the employer. The work often begins by meeting with supervisors to determine company needs and then designing a system to meet those needs.