Examlex
Describe a database and a database management system (DBMS).
Uncertainty
A situation characterized by unpredictability and a lack of information about future events.
Uncertainty
A state or condition in which there is a lack of certainty or predictability about something.
Necessary Information
Necessary information refers to data or facts that are essential to complete a task, solve a problem, or make an informed decision.
Certainty
A condition where there is complete absence of doubt or the total confidence in something.
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