Examlex
The following queries produce the same results.
SELECT DISTINCT Customer_Name, Customer_City
FROM Customer, Salesman
WHERE Customer.Salesman_ID = Salesman.Salesman_ID
and Salesman.Lname = 'SMITH';
SELECT Customer_Name, Customer_City
FROM Customer
WHERE Customer.Salesman_ID =
(SELECT Salesman_ID
FROM Salesman
WHERE Lname = 'SMITH');
Extranet
A private network that uses Internet protocols, network connectivity, and possibly the public telecommunication system to securely share part of an organization's information or operations with suppliers, vendors, partners, customers, or other businesses.
Intranet
A private network accessible only to an organization's staff, often used to share company information and computing resources among employees.
Performance Opportunity
A chance or situation in which an individual or organization can demonstrate its capabilities or improve its performance.
Performance Deficiency
A situation where an individual's or an entity's output fails to meet the expected or required standards.
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