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Organizations require faster decision making to be competitive in today's marketplace. Data is coming in faster and requires immediate conversion. Real-time data warehousing (RDW) is also known as active data warehousing (ADW). RDW is the process of loading and providing data via the data warehouse as it becomes available.
For this discussion, explore the following questions: In an organization, what kinds of applications require real-time data warehousing? Discuss applications that do not require real-time data warehousing. What is the difference between the two and why is real-time data warehousing important only to some applications?
Discuss three different ways to create an Oracle Database. What are the advantages/disadvantages of each method. What is the difference between control files and redo logs. What is a datafile. What is a tablespace
You must implement the entity relationship model provided in the model solution to Assignment 1. The model solution will be released on the course website approximately TWO (2) weeks after the Assignment 1 due date.
What is the time required to read a ?le containing 100,000 records of 100 bytes each in a random order? To read a record, the block containing the record has to be fetched from disk. Assume that each block request incurs the average seek time and rot..
What a query execution plan? Discuss the reasons for converting SQL queries into relational algebra queries before optimization is done
An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein methodology as per the study book and tutorials.
What is meant by a Metadata? How does this term pertain to a database? Write down advantage is there in storing metadata in tables?
background adventure works cycles the fictitious company on which the adventureworks sample databases are based is a
You have to write a query to display last name customer associated with order id in given database.
For this assignment, you will create a class to describe the product that is being ordered. You will then modify your code to create an instance of this class and utilize it in the ordering process.
a UML class diagram to describe the ordering system class
SQL Concepts and Database Design
Use a co-related sub-query to return one row per customer, representing the customer's oldest order (the one with the earliest date).
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