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The program should let the user type his first and last name.
Please can you make this by using.- File processing - class- search by name.- make choice to delete users.- display user and his/her answers.
Attachment:- Friend-finder.jpeg
Display all the LastNames from the Customers table and any associated OrdersIDs from the Orders Table. Show the LastName even if they do not have any associated orders. Order the results by LastName in ascending order.
Write the command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order.
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.
Add three rows to the Downloads table: one row for user 1 and product 2; one for user 2 and product 1; and one for user 2 and product 2. Use the GETDATE function to insert the current date and time into the DownloadDate column.
Write your queries so that the final answers will never include duplicates, but add the keyword DISTINCT only in cases where duplicates would otherwise be produced.
List the employee_id and employee_name of the employees form the l_employees table with the top 4 credit limits.
Student.txt in the attachment contains the roster of a class. Each student object has the following fields: student id, last name, first name, academic level.Create a RosterClass to store the student database in vector.
Create a view named ProductSummary that uses the view you created in exercise 4. This view should return some summary information about each product.
Write an SQL CREATE TABLE statement to create the PET table without referential integrity constraint on OwnerID in PET.
Write PL/SQL block which displays last name and salary of following people. Each of these can be done separately as PL/SQL, first to test and get output lines.
Give a good decomposition for R = (A,B,C,D,E ) with the following functional dependencies:
How does the order of joins in an SQL statement affect the performance of the join and what can the DBA do to determine the preferred order of joins for an SQL statement that includes the join of at least three tables?
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