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In this assignment, analyze crime rates using data mining clustering techniques (K-means) to get an accurate prediction to enable police forces to get a clear picture of criminals and solve crimes.
For part (a): k-means clustering algorithm to group the crime data objects based on the seventh district of Columbia.
First: Manually by hand.
Second: Using Xlminer tools or any other data mining tools and I want the result to be on this map (Dc Districts)
For part (b): I need to do k-means clustering algorithm to group the homicides data objects in the different districts.
How and why did database management systems become the organizational data management standard? Describe some advantages of database approach over file-system approach.
A report that shows the characters that still need actors for the current performance and storing the student details if all requirements are met, providing a suitable message for Vicky
Describe the different procedure performed in DBMS for student database in which fields are student id, student name, student class, marks.
Transform the tables into one or more tables in BCNF. State the primary keys, candidate keys, and referential integrity constraints.
Describe relationships with the example. Also illustrate degree of relationship for that example. Describe the different operations of relational algebra with suitable example each.
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
A simple database with a single table contains data concerning car registration. The table contains four fields that store data relating to registration number (unique), make of car, year of manufacture and car colour
Explain the content of this document in natural language;Design the graph representation of document;
Write a Assignment to study and modify the PostgreSQL source code, with a focus on one of the core modules - the buffer manager
How does Oracle process this query? That is, what does Explain Plan tell you about how the query is processed - how would you recognize that the results were not correct?
Assume you were a newly hired IT Security Manager at a software development company that in the past hasn't paid much attention to security, especially in its database development processes.
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
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