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a. Why is it important to write to the log before changing the database values?
b. Describe the rollback process. Under what conditions should it be used?
c. Describe the roll forward process. Under what conditions should it be used?
d. What is the advantage of taking frequent checkpoints of a database?
e. Summarize the DBA's responsibilities for managing the DBMS.
Write a program that reads an integer, n, and prints each of its digits from left to right, as an English word.
A small business produces 3 types of cables: A, B, and C. The cost of in-house production is estimated to be $6, $12, and $10 per foot of A, B, and C respectively. The manufacturing process requires machining and finishing. The machining and finis..
Finding and fixing errors in programs.Finding and fixing errors in programs.
Cassel Scout Productions is a talent agency specializing in the promotion of actors, singers, and dancers. The company has a database to house both agent and performer data plus performance Assignments, but there is difficulty in gathering informa..
Originally, computing was centralized on large mainframe computers. List two developments that demonstrate the cyclic behavior here as well.
determine the normal force of the clamp at the smooth contacts A and C
Telephone SystemConsider a telephone system that has an automatic redial feature
Write a program that calculates the average word length in a sentence entered by the user.
This subroutine would return a 1 in B if the word is found in the string. Otherwise, a 0 is returned in B.
•Discuss some ways in which time-dependent signals can be classified. •Discuss what is meant by "basic signal representation" and the advantage of this type of representation.
For the bridge rectifier circuit below, calculate the VP(sec) if R = 1.5 kohm and Vpri(rms) = 110 VAC and the ransformer turns ratio is 3:1. 120 V 32 V 51.85 V 50 V
Are Information systems along with Internet security necessary
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