Analyze the DBMSs that you are currently using. What concurrency protocol does the DBMS use? What type of recovery mechanism is used? What support is provided for the advanced transaction
What will be an ideal response?
This is a small student project, the result of which is dependent on the system analyzed.
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Consider the following schedule of three transactions: r2(y) r1(x) r3(y) r2(x) w2(y) w1(x) r3(x)
a. Define a serialization between T1 and T2. b. In what apparent order does T3 see the database? c. Is the schedule serializable? d. Assuming that each transaction is consistent, does the final database state satisfy all integrity constraints? e. Does the database state seen by T3 satisfy all integrity constraints? Explain.
Operating systems tend to be configured to hide ____ because novice users find them confusing.
A. file names B. file extensions C. file properties D. file types
Describe the two criteria that may cause a disaster occurrence.
What will be an ideal response?
Legal ________ is a way to compare two documents in a word processor and to display the changes between the two documents
Fill in the blank(s) with correct word