Examlex
A join returns rows with matching values and includes all rows from both tables (T1 and T2) with unmatched values.
Social Security Number
A nine-digit number assigned to U.S. citizens and permanent residents, used for tracking individuals for social security and other purposes.
Logical Ports
Virtual communication endpoints used by computer networks to differentiate traffic intended for different services or applications.
Distributed Denial-of-Service Attacks
Malicious attempts to disrupt the normal traffic of a targeted server, service, or network by overwhelming it with a flood of Internet traffic.
Botnet
A network of computers infected by malware that are controlled as a group without the owners' knowledge, usually to send spam or launch attacks.
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