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"Preparing a table of entities and activities as the first step in documenting systems seems to be unnecessary and unduly cumbersome. It would be a lot easier to bypass this step and get right to the necessary business of actually drawing the diagrams." Do you agree? Why or why not?
Using Join, list the items each customer ordered where the billing_price was lower than the item price (item, billing_price, and price). Sort the results alphabetically by customer name.
Take a look at the query specifications in question 3. You will need to have data values that are relevant to these queries. BUT the design of your tables and test data should not be compromised merely to support just these queries.
Write INSERT statements for adding the following data to the new table: Verify the values inserted by using a query. Display each distinct agency (each agency only once)
Review your diagram for the database, making sure that the design is complete and normalized. Create the database in SQL Server
Determine if the table satisfies 2NF. If the table is already in 2NF, say so. If a table violates 2NF, say so and produce the 2NF tables. It is sufficient to just list the results of 2NF normalization
For this assignment, you will normalize the below Orders table to 3NF. Make sure to identify all the entities and their attributes, especially if you make any new items (such as entity or attributes).
Examples for small n are given bellow, where a small square box represents an unsuccessful search. Prove that leaves of any binary search tree are located in the bottom two levels.
Optimize your Database (10 Marks) You should now optimize your database, Apply suitable database optimization techniques to your final set of tables
Why use Databases? - Data Vs. Information -Database Management System (DBMS) - Role & Advantages of DBMS.
Describe the steps that you would use in order to convert database tables to the First Normal Form, the Second Normal Form, and the Third Normal Form
Create a new tab named "test data answers". Create a new table on your new tab to display the following information: average value for meas 1 and average value for meas 2.
Discuss the role of the database administration and the issues of cost/benefit for these types of endeavors in organizations.
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