Examlex
________ provides a virtual view of integrated data without actually bringing the data into one physical database.
Grouping
The act of organizing data, objects, or individuals into categories or sets based on common characteristics or criteria.
Fixed-Width Files
Text or data files where each record's field occupies a fixed number of characters, aiding in consistent data alignment and parsing.
Special Character
A character that is not an alphabet or numerical digit, often used in programming, passwords, and textual data to convey specific meanings.
AND Criterion
A rule used in queries and formulas requiring all conditions to be met.
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Q80: A type of join where a table
Q81: With _,users can act as if all