Examlex
When we consider a thin horizontal layer of the atmosphere, of thickness dy, of area A, with pressure P on the bottom, with an average mass m per molecule, and nV molecules per unit volume, the magnitude of the difference of the pressure at the top and bottom of the layer is given by dP =
Back Up Current
The action of creating a copy of existing data or system settings to prevent loss in case of system failure or data corruption.
Save As Back Up
Save As Back Up is a process of saving a copy of a file or database under a different name or location to ensure data safety in case of loss or corruption.
Primary Key
A primary key is a unique identifier for each record in a database table, used to ensure that each entry is distinct and retrievable.
Principal Key
Another term for primary key, an attribute or set of attributes that uniquely identifies each record in a database table.
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