Examlex
The statement in SQL combines rows from two queries and returns only the rows that appear in the first set but not in the second.
Equation
A mathematical statement that asserts the equality of two expressions, typically including variables and constants.
Solve
To find an answer or solution to a problem or equation.
Accurate
Free from errors or discrepancies; precise and correct in all details.
Percent
A fraction or ratio expressed as a part of 100.
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Q87: A data dictionary contains metadata-data about data.