Examlex
In a relational database model,a(n) _____ operation searches data in a table and retrieves records based on certain criteria.
Scientific Magazine
A publication focused on presenting scientific research, discoveries, and insights in a more accessible format for the general audience.
Journal
A periodical publication intended to further the progress of science, usually by reporting new research.
Operational Definitions
These are specific descriptions of concepts involving how variables will be measured or manipulated in a study.
Variables
Elements, features, or factors that are likely to vary or change within the context of a study or experiment.
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