
Concept explainers
Pessimistic locking:
It is one of the locking methods in concurrency control. The lock exists in the transaction until the transaction gets committed or rolled back.
Two-phase locking protocol:
It defined the serializability of the transaction but not prevent deadlocks. The process of locking and unlocking can be done using two phases in this protocol. They are: Growing phase and shrinking phase.
Growing phase:
New lock can be occurred on the transaction without unlocking the data items. The data items are locked in this phase.
Shrinking phase:
This phase used to release all transaction but not provide new lock on the transaction.
Row-level lock granularity:
This row-level locking process used to lock the single row in the table. It is used to improve the availability of data and involving in transaction conflict.

Trending nowThis is a popular solution!

Chapter 10 Solutions
Database Systems: Design, Implementation, & Management
- Do you think that computers should replace teachers? Give three references with your answer.arrow_forwardIs online learning or face to face learning better to teach students around the around the world? Give reasons for your answer and provide two references with your response. What are benefits of both online learning and face to face learning ? Give two references with your answer. How does online learning and face to face learning affects students around the world? Give two references with your answer.arrow_forwardExplain Five reasons if computers should replace teachers. Provide three references with your answer. List three advantages and three disadvantages face to face learning and online learning may have on children. Provide two references with your answer.arrow_forward
- You were requested to design IP addresses for the following network using the address block 10.10.10.0/24. Specify an address and net mask for each network and router interfacearrow_forwardFor the following network, propose routing tables in each of the routers R1 to R5arrow_forwardFor the following network, propose routing tables in each of the routers R1 to R5arrow_forward
- Using R language. Here is the information link. http://www.cnachtsheim-text.csom.umn.edu/Kutner/Chapter%20%206%20Data%20Sets/CH06PR18.txtarrow_forwardUsing R languagearrow_forwardHow can I type the Java OOP code by using JOptionPane with this following code below: public static void sellCruiseTicket(Cruise[] allCruises) { //Type the code here }arrow_forward
- Draw a system/level-0 diagram for this scenario: You are developing a new customer relationship management system for the BEC store, which rents out movies to customers. Customers will provide comments on new products, and request rental extensions and new products, each of which will be stored into the system and used by the manager for purchasing movies, extra copies, etc. Each month, one employee of BEC will select their favorite movie pick of that week, which will be stored in the system. The actual inventory information will be stored in the Entertainment Tracker system, and would be retrieved by this new system as and when necessary. Example of what a level-0 diagram looks like is attached.arrow_forwardWhat is the value of performing exploratory data analysis in designing data visualizations? What are some examples?arrow_forwardDraw a level-0 diagram for this scenario: You are developing a new customer relationship management system for the BEC store, which rents out movies to customers. Customers will provide comments on new products, and request rental extensions and new products, each of which will be stored into the system and used by the manager for purchasing movies, extra copies, etc. Each month, one employee of BEC will select their favorite movie pick of that week, which will be stored in the system. The actual inventory information will be stored in the Entertainment Tracker system, and would be retrieved by this new system as and when necessary.arrow_forward
- Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781285196145Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos CoronelPublisher:Cengage Learning
- Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781305971776Author:Ralph Stair, George ReynoldsPublisher:Cengage LearningPrinciples of Information Security (MindTap Cours...Computer ScienceISBN:9781337102063Author:Michael E. Whitman, Herbert J. MattordPublisher:Cengage LearningSystems ArchitectureComputer ScienceISBN:9781305080195Author:Stephen D. BurdPublisher:Cengage Learning





