Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Expert Solution & Answer
Chapter 10, Problem 8RQ
Explanation of Solution
Lock:
Lock is the process that ensures the unique use of data item for particular transaction. If the data item is locked by one transaction, then the other transactions cannot use the data item until the first transaction unlocks the data item.
Working procedure of lock:
- A transaction requires lock prior to lock and unlock the transactions. The lock prior is responsible for assigning and releasing locks. It is otherwise called as “lock manager”...
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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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- In the context of operating systems, what exactly does it mean to say something is secure?arrow_forwardWhen it comes to the field of cryptography, what precisely differentiates a private key from a public key is the focus of this question.arrow_forwardWhat is the role of a cryptographic key in the encryption and decryption process?arrow_forward
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