Question:Data quality management refers to the fact that: 

A Ad-hoc analysis must not be slowed or inhibited by the performance of the data warehouse RDBMS 
B The warehouse must ensure local consistency, global consistency, and referential integrity 
C The RDBMS server must support hundreds, even thousands, of concurrent users while maintaining acceptable query performance 
D The server must include tools that co-ordinate the movement of subsets of data between warehouses 
E The RDBMS must provide a complete set of analytic operations including core sequential and statistical operations 

+ Answer
B 

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Md. Habib Ullah

Editor, VCampus

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