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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Why do some companies resist data cleansing initiatives?

View solution

Q. What is the "clean as you go" approach to data cleansing in the context of a data warehouse?

View solution

Q. What is one of the drawbacks of the "clean as you go" approach to data cleansing?

View solution

Q. What principle should be applied when determining the extent of data cleansing for a data warehouse?

View solution

Q. What fundamental question must be answered when deciding which data to cleanse?

View solution

Q. Where in the data flow process can data cleansing be applied?

View solution

Q. What is a drawback of cleansing data in the staging area?

View solution

Q. Why is cleansing data in the source systems a complex task?

View solution