Examlex
Suppose a relation X had the attributes Name, EmployeeID, and Address. Complete the following statement to obtain a list of the names and addresses of all employees.
Result ___________________________________ from X
Bugchaser
An individual who purposely seeks to get infected with sexually transmitted diseases, particularly HIV, for various psychological reasons.
Nonstaining
Describing materials or substances that do not leave stains or marks on surfaces they come into contact with.
Nontoxic
Substances or materials that do not pose any risk of poisoning or harm to humans, animals, or the environment.
Compatibility
The extent to which two or more things are able to exist or perform together in combination without conflict or inconsistency.
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