A Primary Key Field from One Table That Is Also

question 19

Short Answer

A primary key field from one table that is also a field in another table and is used to create a relationship between the two tables is a(n)____________________ in the second table.

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Definitions:

Chert Formation

The process by which chert, a hard, sedimentary rock composed primarily of silicon dioxide, is formed, typically from the accumulation of silica from biological sources or chemical precipitation.

Silica-rich Organisms

Organisms, such as certain diatoms and sponges, that have skeletons made predominantly of silica (SiO2) compounds.

Seawater

The salty water that fills the oceans and seas, covering most of the Earth's surface.

Sediment Deposition

The process by which sediment settles out of the transportation medium and accumulates on a surface, forming layers of sediment.