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1. What do the concepts of data warehousing and data mining mean?
2. a. What is an entity?
b. What is an attribute?
c. What is a relationship?
d. What is a key attribute?
Create a flowchart and hiearachy chart of the program, using the pseudo-code. For your convinence you can access this pseudo-code by selecting the following link.
The marking scheme, which is given in detail below, particularly rewards the way in which you relate your specific proposals to the material presented in the Course.
Access will draw a line, called_______a, between matching fields in two tables, indicating that the tables are related. You can then select fields from either table. Access joins the tables automatically.
Describe how you think information systems are used in either type of company. Can you think of some common information systems that are necessary to either type, and different information systems that only one type or the other would have?
Write clearly and concisely about topics related to information systems for decision making using proper writing mechanics and technical style conventions.
please write sql statements to answer the following questions. your tables should still be on the oracle server. please
Develop a view named OrdTot. It comprises the order number and order total for each order presently on file. (Order total is sum of the number ordered multiplied by quoted price.
Develop an EER model for the following situation, using the traditional EER notation, the Visio notation, or the subtypes inside supertypes notation.
What is a relation?- What is a tuple?- What is an attribute in a relational data model?- What is referential integrity?
Create the database using three tables: one for student information, one for advisor information, and one for department information.
Address what makes database connectivity so complex and what could be done to simplify it.
Why use Databases? - Data Vs. Information -Database Management System (DBMS) - Role & Advantages of DBMS.
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