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To improve service to their customers, the workers at the online video rental store have proposed a list of changes being considered for the database in the previous exercise. From this list, choose two database modifications and modify the data-entry screen to capture and store this new information. Proposed changes are as follows:
a. To help customers locate the newest releases, add the date that the movie was first available.
b. Add the director's name.
c. Add a customer rating of one, two, three, or four stars based on number of rentals.
d. Add the number of Academy Award nominations.
In the Zhang & Huang (2007) article, the authors propose introducing a CLUSTER BY clause into SQL. What functionality does their proposed clause provide? How might your current or previous workplace use it in a SQL query
Create a 2-3 page (350 words per page) examining the use of databases in organization. Explain what database applications are utilized (Microsoft Access, DB2, Oracle, etc.).
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
What are sequences and indexes in database tables?
Why is a Key important in a database? How does it help with Referential Integrity? Lists three compelling reasons why Keys are crucial to table structure
Importing and Analyzing Sales Data- Security Enablers is a national company that provides security systems for small businesses. They have asked you to use the company template and import sales for the last five years
What does the exec above produce in terms of results. If you wanted companies that had 'Corp' in their name how would you code the EXEC statement - What does the exec above produce in terms of results. What would happen it you miss coded the maxim..
what would you expect to happen to the costs of cakes and what would be the overall margin on the order?
Design a data model
Map the EER schema into a set of relations. For the VEHICLE to CAR/ TRUCK/ SUV generalization, consider the four options presented
Define an ERD for the following narrative. The database should track homes and owners. A home has a unique home identifier, a street address, a city, a state, a zip code, a number of bedrooms, a number of bathrooms, and square feet. A home is eith..
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.
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