adplus-dvertising
frame-decoration

Question

Why do integration problems often arise in legacy systems?

a.

Legacy systems are well-documented and consistent.

b.

Legacy systems are developed in isolation at different times.

c.

Legacy systems use modern and standardized codes.

d.

Legacy systems follow strict data quality rules.

Answer: (b).Legacy systems are developed in isolation at different times. Explanation:Integration problems often arise in legacy systems because these systems were developed in isolation at different times, leading to data inconsistencies.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Why do integration problems often arise in legacy systems?

Similar Questions

Discover Related MCQs

Q. What is the primary goal of data cleansing for a data warehouse?

Q. Where does data pollution typically occur in the context of a data warehouse?

Q. Why is it challenging to address data pollution problems from old operational systems?

Q. How does data aging affect data quality in source systems?

Q. What is a potential issue related to heterogeneous system integration in the context of data quality?

Q. How does a good database design contribute to data quality?

Q. What is the role of entity integrity and referential integrity rules in preventing data pollution?

Q. What can be a result of incomplete information at the time of data entry for an entity?

Q. How does the entry of generic values into mandatory fields affect data quality?

Q. What role does data verification play in preventing data corruption?

Q. In a data warehouse, why is deduplication of names and addresses essential?

Q. What are some inherent problems with entering names and addresses in the multiple field format?

Q. What is a key challenge in recasting name and address data into the multiple field format?

Q. How can costs related to bad decisions based on routine analysis be estimated?

Q. Data cleansing tools primarily serve which two main functions for improving data quality?

Q. What are some features of error discovery functions in data cleansing tools?

Q. What are some features of data correction functions in data cleansing tools?

Q. How can data cleansing tools assist in the reconciliation of problems related to RDBMS referential integrity?

Q. What is the purpose of "Update Security" in the database management system for data quality control?

Q. What does "Conformance to Business Rules" in the database management system involve?