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What is meant by concurrent update

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Reference no: EM131451408

Review Question -

4. What is meant by concurrent update?

6. What is locking and what does it accomplish?

12. What is journaling? What two types of images does a DBMS output to its journal?

16. What is encryption? How does encryption relate to security?

22. What are integrity constraints? Describe four different ways to handle integrity constraints. Which approach is the most desirable?  

24. What is replication? What is synchronization?

26. What is a procedural language? What is a nonprocedural language?

TAL Distributors Exercise -

3. You've explained replication to management, and some managers ask you for examples of when replication could be useful to them. Describe two situations, other than the ones given in the text, when replication would be useful to an organization.

Reference no: EM131451408

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Reviews

len1451408

4/5/2017 4:56:14 AM

The homework is the Review Questions (pg 248-9) #4, 6, 12, 16, 22, 24, 26 and TAL Distributors Exercises (pg 249) #3. Make sure you use your own words please. What are integrity constraints? Describe four different ways to handle integrity constraints. Which approach is the most desirable?

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