Examlex
A subquery is often used when you need to summarize a group of records and use that results in another query.
Atmospheric Pressure
The pressure exerted by the weight of the atmosphere above a point, affecting weather patterns and boiling temperatures of liquids.
Sea Level
The average height of the ocean's surface between high and low tide; used as a standard base for measuring elevations.
Inches Hg
A unit of pressure measurement equivalent to inches of mercury, commonly used in aviation and weather forecasting.
Fluids
Substances that have no fixed shape and yield easily to external pressure; can be liquids, gases, or plasmas.
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