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Question: 1. What string function should you use to list the first three characters of a company's EMP_LNAME values? Give an example using a table named EMPLOYEE. Provide examples for Oracle and SQL Server.
2. What is a sequence? Write its syntax.
3. What is a trigger, and what is its purpose? Give an example.
Demonstrate professional presentation skills by the development of a professional business presentation to the client outlining the development process for this Database Management System project.
A narrative description of the field chosen for the application being created. This should also include a description of the problem and addressing the weaknesses to be solved by the database.
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
The system has to be Web-based system using Design interface of the system using visual basic.
Write a SELECT statement that returns an XML document that contains all of the invoices in the Invoices table that have more than one line item.
Diagrams and tables must be numbered and labeled, and close to the first reference in the text - The paper should adhere to University writing standards pages in length, excluding title page, abstract, bibliography, table of contents, or any graphic..
for each of these you have to give a convincing argument as to why the stated claim is true. it is not enough just to
Your topic could come from a sub-problem of a cutting-edge research problem about these techniques (if you want to investigate and solve a technical problem), or a successful (or a planned) implementation in one of the above DBMSs (if you want to ..
Create an ERD and relatioal schema in third normal form based upon the following business rules. (Hint: ensure that all attributes are FULLY DETERMINED by the primary key.) Don't forget to place your normalization arrows on your relational schema.
Explain the di?erence between external, internal, and conceptual sche-mas. How are these di?erent schema layers related to the conceptsof logical and physical data independence?
Display all the columns from the Orders table that were paid with a Visa Card and have been shipped to the customer (hint: not a null). Order results by the Item Price in descending order.
BIT310 - Advance Databases High level comparison between non-relational and relational databases and Low level comparison between any Relational databases with two NoSQL databases.
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