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You are hired by Northwind as a Database administrator. You are required to integrate some Database script solutions into their existing database (Northwind) to modify data from within the database. Using the Northwind database, write a SQL DML statement that will modify the data. Base it on the following requirements: Using the Northwind database, write a script to insert the following data:
1 new CategoryCategory Name = Fast FoodCategory Description = Quick and Easy MealsProvide a SELECT statement to show that the data was inserted.Add the following products for your new Fast-Food category.Product Name = French FriesSupplier Name = Ma MaisonCategory Name = Fast FoodQuantityPerUnit = 20 SticksUnitPrice = 4.99UnitsInStock = 10UnitsOnOrder = 25ReorderLevel = 10Disabled = 0Product Name = HamburgerSupplier Name = Grandma Kelly's HomesteadCategory Name = Fast FoodQuantityPerUnit = 1 PattyUnit Price 6.99UnitsInStock = 0UnitsOnOrder = 50ReorderLevel = 5Disabled = 0Provide a SELECT statement to show that the data was inserted.
In an attempt to liquidate some products, provide a script to set all products in the Confections category that have more than 50 units in stock to a price of $10, and disable them.
2 records should be affected.
Change the discount in the Order Details table on all orders of products of an ordered quantity of more than 50 to that of the largest discount ever given on any product.
You have decided against the new Fast-Food category. Provide a SQL statement to delete the Fast-Food category as well as any products assigned to that category.
Consider system which produces budget reports for department at university. For whichever system you select, answer the following design questions. Who will use output?
The title of the ?rst record in the previous set, and the primary key of the ?rst record in the previous set.
Open the data file Reservations17 19. Create a form based on the Reservations table. Use the form to Own folder, and then copy the navigate to the record with Reservations table
What a query execution plan? Discuss the reasons for converting SQL queries into relational algebra queries before optimization is done
Describe how you created the conceptual and process view for all four (4) diagrams. In the description, be sure to provide a justification for each key decision in the design.
Create an initial ERD for the new system that contains at least eight entities. Analyze each relationship to determine if it is 1:1, 1:M, or M:N
Create one table representing normalized design (3NF) for the important objects and their attributes in a textbook catalogue and accounting office at a university book store
The state wants to record fire department for which each fire fighter currently works and each fire fighter's supervisor. Supervisors are always higher-ranking certified fire fighters - Construct relational database for New York's fire departments..
Implement a transaction-level consistency in relational database management system
In the Current Database section found through the Office Button, add Add Messages-Operator's Version as the application title. Make the start-up form Unread Messages open automatically when the application starts.
Draw Active Directory hierarchy in terms of forests, trees, domains, organizational units, and sites which are most suitable for this company and their security concerns.
Summarize briefly how to make use of indexes such as B+ tree or a hash indexes in selection, projection, and join operations?
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