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Assignment
Pick 3 questions to answer...APA format 250-350 words for EACH question
* What are the features of Cassandra? How it is different from Key-Value DB, DynamoDB, Big Table?
* Can you illustrate the components of Cassandra and how the data is replicated?
* How data consistency is maintained?
* How data transaction is maintained?
* How data is distributed in cluster?
How would you describe general SCADA systems and architecture? What is an example of a SCADA system (e.g. a water treatment SCADA system)?. Draw a diagram. What are PLCs and Sensors used in SCADA systems?
Design a query that will allow the finance department to determine the commissions paid to specific employees of the sales department for the month of December.
Draw Active Directory hierarchy in terms of forests, trees, domains, organizational units, and sites which are most suitable for this company and their security concerns.
consider the eer diagram for a car dealer in the figure below. map the eer schema into a set of relations. for the
List the different types of locks used by DBMS systems and explain how they differ from each other. Additionally, suggest the suitable scenario for each of them.
Why the top three layers in the reference architecture for distributed database systems are often referred to as site-independent schemas? Define physical image of a global relation at a site. Comment on the different types of dependency f..
Compute the total time to transmit the entire data file. Compute the effective throughput of the system.
Explain the function of input controls. Identify four (4) types of input control and explain the function of each
You have been given the following specifications of a simple database for a netball association that keeps record of players, teams and matches.
Data Storage and Compression- Imagine that you are serving in the role of director of data center operations for your company, which is currently using redundant sites as backup and manually managing replication and failovers
Translate the conceptual E-R data model for the application, developed without explicit consideration of specific user interfaces, into normalized data requirements.
ICT211 - Database design to get that data, and the result of the query on the supplied data set - Every patient admitted has a unique patient id. If the patient is a koala, it will have also have a koala tag. It may have a microchip.
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