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When using an optimistic approach,a transaction reads the database,executes the needed computations,and makes the updates to a private copy of the database values.
Terrane
A fragment of Earth's crust that has been transported and attached to a continent along a tectonic boundary.
Shear Zones
Regions of the Earth's crust where rocks have been deformed by shear stress, leading to the development of features like stretched and thinned rocks, often seen in tectonic plate boundaries.
Canadian Shield
A large geological shield, covered by a thin layer of soil, that comprises most of the eastern and central Canada and parts of the United States, characterized by ancient crystalline rocks.
Exposed Rocks
Rocks that are visible on the surface of the Earth and are not covered by soil or vegetation.
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