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1. Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response. 2. A good IT professional is able to be versatile in SQL programming styles. Identify at least two possible advantages of utilizing PL / SQL instead of standard SQL Syntax. Explain whether either syntax provides enhanced code processing capabilities with examples. Note: The Strayer Oracle Server may be used to test and compile the SQL Queries developed. Required minimum-1 page
Sketch hash table of length 11 which results from using hash function h(i) = (2i + 5) mod 11, to hash the keys 12, 44, 13, 88, 23, 94, 11, and 39,
Create a structurally sound relational database schema showing the minimum number of fields, tables, and relationships between the tables.
Examples for small n are given bellow, where a small square box represents an unsuccessful search. Prove that leaves of any binary search tree are located in the bottom two levels.
Explain the benefits and current trends of data warehousing and data mining and provide two (2) examples of quality companies successfully using a data warehouse to support your answer.
Enterprises are accumulating substantial amounts of data that are necessary for their business operations.
Identify two possibly mispriced bond issues, one overpriced and one underpriced. and graph the bond yield to maturity (YTM) on the y-axis of an XY-scatter plot, with the bond to maturity in years on the x-axis.
Provide what reports may be produced as a result of your database design.Based on the information you have researched, create a 2-3 page design document that includes a description of the database you would like to create as well as sample tables ..
In 250 - 300 words describe role of a database administrator and the tasks performed by this role. Also, describe why this role is important in Database Management.
Find the maximum salary of all employees who are not managers. Give all the managers in the database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
How many copies of the book titled „The big magic? are owned by the local library whose name is "Newtown" library?
Explain the idea for the database along with the thoughts for partitioned view. How would you utilize this partitioned view?
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