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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Expert Solution & Answer
Chapter 10, Problem 12RQ
Explanation of Solution
Exclusive lock:
It is a lock type which is used to enforce the concurrency control of the transaction. Exclusive lock is issued when the data item want to update and not processed by any of the transaction. It does not allow other transactions to access the
Circumstances of exclusive lock to be granted:
- The exclusive lock exists in the object when the access of data item specifically reserved for a transaction...
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A shared lock and an exclusive lock may be explained.
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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
Ch. 10 - Prob. 11RQCh. 10 - Prob. 12RQCh. 10 - Prob. 13RQCh. 10 - Prob. 14RQCh. 10 - Prob. 15RQCh. 10 - Prob. 16RQCh. 10 - Prob. 17RQCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 11P
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- Where does the necessity for access restrictions originate in the modern world? Please be sure to include at least two instances of access limitations in your answer.arrow_forwardExplain the significance of "nonce" values in encryption techniques.arrow_forwardWhat distinguishes authorization limits from integrity constraints?arrow_forward
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