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Question: For an airlines company, identify three operational applications that would feed into the data warehouse.
What would be the data load and refresh cycles?
Consider the UNIVERSITY database described in Exercise Build the ER schema for this database using a data modeling tool such as ERwin or Rational Rose.
Write an ALTER TABLE statement that adds two new columns to the Members table created in exercise 2. Add one column for annual dues that provides for three digits to the left of the decimal point and two to the right. This column should have a defa..
What are some issues when working with a many-to-many relationship. Provide some examples.
one of the needs that your client has is a database.to design a database a database planner should spend a considerable
Draw a ERD to represent what you have discovered. Identify a business rule in this description and explain how this business rule is modeled on the E-R diagram. Also draw a data model for this situation using the Vision
Suppose that you are the database developer for a local college. The Chief Information Officer (CIO) has asked you to provide a summary of normalizing database tables that the IT staff will use in the upcoming training session. Describe the steps ..
Customer Relationship Management
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 the tables and relationships from the database design discussed in Lab 2. Add at least five records into each table (Note: You must determine the field values).
Design the necessary database tables.- State the primary key for each table as well as all other necessary attributes.
What is the term for the number used to reference an array element? The number of elements in an array is called the ______ of the array. Arrays are most efficiently processed using ______
Create CUSTOMER table and create table that will link customer to their ice cream preferences. Make sure to include appropriate primary and foreign keys.
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