Database Systems: Design, Implementation, & Management
11th Edition
ISBN: 9781285196145
Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher: Cengage Learning
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Chapter 10, Problem 3RQ
Explanation of Solution
Explanation of given scenario:
- The DBMS (
Database management systems) is an application used to implement database commands given by the user. - The DBMS application checks the commands are syntactically correct or not and then execute the query in logical manner.
- Hence, the DBMS command not gives the guarantee that the semantic meaning of transaction truly represents the real-world event.
Possible consequences of limitation:
- DBMS cannot guarantee for transaction represents in real-world event...
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What is a stable database state, and how is it achieved?The DBMS gives no guarantee that the symbolic notion of the transaction appropriately matches the underlying real-world event.What are the possible consequences of the restriction? Please provide an example. What exactly is meant by "serializable transactions"?
What does it mean for a database to be in a stable state? While the database management system may give a symbolic meaning for a transaction, there is no assurance that it faithfully captures the underlying real-world event. What consequences may be expected if this ban were implemented? Explain your point using an illustration. Should we take at face value the apparent meaning of the phrase "serializable transactions"?
An answer to this question: What does it mean to have a stable database state? There is no guarantee that the transaction's symbolic meaning accurately represents the underlying real-world event provided by the database management system. What would be the ramifications of such a prohibition? Using a specific example, explain what you mean. Does the term "serializable transactions" really mean what it appears to?
Chapter 10 Solutions
Database Systems: Design, Implementation, & Management
Ch. 10 - Prob. 1RQCh. 10 - Prob. 2RQCh. 10 - Prob. 3RQCh. 10 - Prob. 4RQCh. 10 - Prob. 5RQCh. 10 - Prob. 6RQCh. 10 - Prob. 7RQCh. 10 - Prob. 8RQCh. 10 - Prob. 9RQCh. 10 - Prob. 10RQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- What does it mean to have a stable database state? There is no assurance that the symbolic meaning of the transaction adequately captures the underlying real-world event as given by the database management system. What would the consequences of such a restriction be? Explain what you mean with a particular example. Is it true that the word "serializable transactions" means what it seems to mean?arrow_forwardWhat does it mean to have a stable database state, and how does one achieve it? The DBMS gives no guarantee that the symbolic meaning of the transaction appropriately represents the underlying real-world event. What are the consequences of such a restriction? Describe an example. What exactly is meant by "serializable transactions"?arrow_forwardWhat does it mean for a database to be in a stable state? The database management system makes no promises about the accuracy of the symbolic meaning of a transaction's representation of an underlying real-world event. What would happen if this rule was made illegal? Provide an illustration of your point. When people talk about "serializable transactions," do they actually mean what they say?arrow_forward
- What's stable database state? There's no guarantee that the transaction's symbolic meaning matches the database management system's real-world occurrence. What would a ban do? Give an example. What does "serializable transactions" mean?arrow_forwardWhat does it mean for a database to have a stable state? There is no guarantee that the transaction's symbolic meaning accurately represents the underlying real-world event as provided by the database management system. What would be the effects of this restriction? Give a specific illustration of what you mean. Does the term "serializable transactions" really imply what it seems to mean?arrow_forwardWhat is a consistent database state, and how is it achieved? The DBMS does not guarantee that the semantic meaning of the transaction truly represents the real-world event. What are the possible consequences of that limitation? Give an example. What does serializability of transactions mean?arrow_forward
- What does a stable database state include, and how is it attained? The DBMS does not ensure that the transaction's symbolic meaning accurately reflects the underlying real-world event. What effects might such a limitation have? Give an instance. What does the term "serializable transactions" really mean?arrow_forwardWhat does it mean for a database to be in a stable state? The database management system does not ensure that the transaction's symbolic meaning appropriately reflects the underlying real-world event. What would be the repercussions of such a ban? Using a concrete illustration, clarify your meaning. Does the word "serializable transactions" imply what it seems to mean?arrow_forwardCan you define a database's stable state? The symbolic significance of the transaction may differ from its actual occurrence in the database management system. To what extent would a prohibition be felt? Give an instance to illustrate your point. Is there really anything to "serializable transactions"?arrow_forward
- Start with a database transaction. We'll look on the bright side when we meet again.arrow_forwardSuppose your database's referential integrity isn't enforced. In what ways is it possible that a mistake will occur?arrow_forwardSuppose you wish to create an audit trail of changes to the takes relation. Can the preceding implementation guarantee that updates made by a malicious database administrator (or someone who manages to get the administrator’s password) will be in the audit trail? Explain your answer.arrow_forward
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