CS 428_quiz_pre

Is data mining really expensive?

Use examples to explain what Abstract data types (ADT) means, where ADTs are applied? What is the differences between ADT and general purpose data structure.

In the field of computer science, Repository and Data Dictionary are two important concepts to contrast.

What is your understanding of "Data Purging"?

How do data dictionaries assist in identifying redundant data entries within large databases?

How can data dictionaries support efforts in data deduplication and normalization?

Practice Exercises 1.1 This chapter has described several major advantages of a database system. What are two disadvantages? 1.2 List five ways in which the type declaration system of a language such as Java or C++ differs from the data definition language used in a database.

Computer science: When building tremendously distributed data environments, what tradeoffs must you make?

Describe scenarios where object serialization might not be the most suitable approach for data persistence, and suggest alternative methods or technologies.

What do you think about data hiding, data encapsulation and data binding? please Elaborate.

Indexing structures like the R-tree and B-tree effectively store and retrieve database data in computer science.

What are the three levels of data abstraction?

What are the potential pitfalls of having excessively normalized data structures?

How do data dictionaries facilitate the process of data migration between different platforms?