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1. Write a SQL Statement to create a View called vwEmployeeTerritories that will do the following: Return all Employees and their Territories (use INNER JOIN). Show the Employee Name and the Territory Description in the result set. Test the view that it properly works.
2. Write a query that will use the vwEmployeeTerritories view to select all employees who are in the following territories: Bedford, Boston, Wilton. Us an IN statement in association with a WHERE clause to do this.
Write a query to display the last name, department number, and salary of any employee whose department number and salary both match the department number and salary of any employee who earns a commission.
Write PL/SQL procedures and functions to populate and query that database
Write an SQL CREATE TABLE statement to create the PET table without referential integrity constraint on OwnerID in PET.
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.
Turn this SQL query into a relational algebra statement? SELECT Request.reqfor, Ordering.invamt, Ordering.invnbr, Ordering.invdat
Write a query to display using the employees table the EMPLOYEE_ID, FIRST_NAME, LAST_NAME and HIRE_DATE of every employee who was hired after to 1 January, 1995.
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
Write summary query which uses CUBE operator to return LineItemSum (which is the sum of InvoiceLineItemAmount) group by Account(an alias for AccountDesciption).
Write SQL statements to create the above tables using SQL DDL statements. Write an INSERT statement to add two new records to each table.
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 a SELECT statement that returns one row for each general ledger account number which contains three columns.
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.
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