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Write a script that uses two variables to store (1) the count of all of the products in the Products table and (2) the average list price for those products. If the product count is greater than or equal to 7, the script should print a message that displays the values of both variables. Otherwise, the script should print a message that says, "The number of products is less than 7".
Give a good decomposition for R = (A,B,C,D,E ) with the following functional dependencies:
Show the unix/linux commands that you would use to create a 7x7 matrix of alternating entries of 1's and 0's. It should look like this
Write SQL statements to create the above tables using SQL DDL statements. Write an INSERT statement to add two new records to each table.
Write the command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order.
Write down a SQL insert statement to insert new row in "CDS" table.
Create a database model and Submit the table creation statements for the Database Model.
To represent a problem description given in natural language as an (Enhanced) Entity -Relationship model; to convert the ER/EER model into a relational data model;
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
Create a table called TransactionLog. Create a trigger, which inserts a new record (user CardNo, ISBN, date) into the TransactionLog table whenever the a borrower checks out a book or returns a book.
Write a SELECT statement that returns these columns from the CustomerAddresses view that you created in exercise 1: CustomerID, LastName, FirstName, BillLine1.
Create a trigger named Products_UPDATE. This trigger should insert the old data about the product into the ProductsAudit table after the row is updated. Then, test this trigger with an appropriate UPDATE statement.
Display the CustomerID from the Orders table and the sum of the associated ItemPrice multiplied by Quantity using Gross Sales (with a space) as the column name from the OrderItems table.
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