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Problem: "XQuery"
This assignment aims at developing your skills of using XQuery (FLWOR queries) to retrieve XML elements in the database. Follow these two materials:
• Use XQuery to retrieve and transform both XML and relational data.
• Using XQuery with Oracle XML DB.
Submit a 3-5 page summary of your understanding on how to use XQuery to retrieve XML and relational data. You are required to write the report basedon on your understanding, explain clearly especially why XQuery is important and how to use it.
Consider designing a database for an antique store. What entities would you include? What would their attributes be?
Create the relational model corresponding to the described application. Basically, list the CREATE TABLE statements with the attribute names, and appropriate data types.
Implement the data modelling for a database that is based on the application scenario - develop an ER model for the data management
Write a 6 pages research paper regarding an data ware house.
Relational Database Systems - COMP 1005 Design the logical structure of a database using Entity-Relationship diagram and Apply normalization techniques to reduce redundancy in a database.
How a system could improve accuracy? How sales of individual items would be entered? How the database would store the data compared to the current spreadsheet method?
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this information. Next, apply normalization to reduce this table to third no..
A Relational schema of your database in 3NF, clearly indicating attributes, the data type of each attribute, primary and foreign keys, candidate keys, and which attributes are nullable, giving reasons. List any assumptions you need to make.
Imagine that you have been hired as a consultant to assist in streamlining the data processing of an international based organization that sells high-end electronics. The organization has various departments such as payroll, human resources, finan..
Why is data security important now more than ever? What are some of the steps that we can take to ensure that our database is protected and secure?
1) Fetch all the customers that are not from region 'BC' or 'SP' 2) Show all customer contact names and titles for the business owners who are from Germany or France 3) Fetch customers from Germany, Mexico and Sweden
Modify the database diagram from Lab 1 with the entities and attributes that the scenario identified (i.e., a college tracking students, courses, and instructors). Create the appropriate relationships between each entity within the diagram.
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