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Discussion: Data Information Decision"
Please respond to the following:
• With the obvious pace of current technology development, data continues to grow daily. Imagine that you are a Database Administrator for a large organization. Identify the primary decisions a Database Administrator must make in order to manage such data, maintain data integrity, and maintain a database at its most ideal level. Provide a rationale for your response.
• Suppose you are also in charge of securing your organization's data. Identify at least two data security measures that you believe are necessary to prevent data security issues. Justify your response.
1. construct a scenario leading to the worst-case performance of the fifo buffer replacement policy.2. is it possible
Explain the advantages and disadvantages of FIFO and LIFO inventory methods
Dual Assessment of Data Quality in Customer Databases,Journal of Data and Information Quality (JDIQ), Volume 1 Issue 3, December 2009, Adir Even, G. Shankaranarayanan.
Finally compare and contrast health informatics and health information systems.
Discussion about Database Applications.
How can replication help the performance of a distributed database and in what situations can replication hurt the performance of a distributed database?
Draw a context diagram data flow diagram for the system described above. The format should be similar to the context diagram in figure 5-13 of your textbook.
Describe a linear-time (in the size of the set of FDs, where the size of each FD is the number of attributes involved) algorithm for ?ndingthe attribute closure of a set of attributes with respect to a set of FDs
Choose a job_title_code in the job_title table. Increase the Minimum_salary and Maximum_salary for this job_title_code.
Write down the complete transaction using SQL.
Construct a query that will show the number of days that exist between the first invoice and last invoice, for each month, for each employee, using the DATEDIFF function
What functional dependencies can you conclude from the data above and what is the highest normal form R is in?
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