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Prepare the SQL query for each of given requirements. Convert requirement to logic, then to SQL.
1. Illustrate everything about each sale where quantity purchased is greater than average quantity purchased for that customer.2. Illustrate the names of all products which have been sold.3. Illustrate everything about any sale where the product sold doesn't exist in our list of products.4. Illustrate the customers who have bought all the products we sell.5. Illustrate the customers who have not bought all the products that we sell.6. Illustrate any customers who have not bought a product that we sell.7. Illustrate everything about an customer who has purchased a product which doesn't exist in list of products.8. Illustrate customers who have purchased all products and have purchased them during month of June 2010.
Write down SQL needed to create employee table containing the following data: employeeID, text, length of 5, primary key lastName, text, length of 25
Write a PL/SQL block that displays the last name and salary of the following people. Each of these can be done separately as PL/SQL, first to test and get the output lines then encapsulated.
The table name will be METALS and will be used to store description of various metals. Following offers some additional direction on how table must be created.
Create a program that enters first and a second number. The first and second number that will be entered should be computed in halves, quarter, double, and square.
Write the statement which creates table named Part, with Id field as an int idendity PK, a SupplierId int field, a Description string field of size 25, a Count int field, a Class string field
Write PL/SQL procedures and functions to populate and query that database
Given the series RLC resonant circuit in the figure, operating at variable frequency, determine: The resonant frequency ω o , The circuit’s quality factor Q , The cut-off frequencies, f 1 & f 2 and the bandwidth BW
What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?
Write SQL statement which would select each of the following: names and owners of all Great Danes and all attributes of poodles whose balance is no greater than $50.
As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.
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 SELECT statement which returns those rows with the balance due greater than 1000. Sort result set by InvoiceTotal, with largest invoice first.
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