Examlex
Within the realm of a database a ____ valued column,in a row,in a table,is a column,which has never been set to anything (not yet accessed) ,or has been deliberately set to this value.
Electrons
Subatomic particles with a negative charge, found orbiting the nucleus of an atom, involved in chemical bonds and electrical conductivity.
Enthalpy
A thermodynamic quantity equivalent to the total heat content of a system, representing the amount of energy needed to create a system plus the work needed to make room for it in its environment.
Free Energy
A thermodynamic quantity that represents the amount of work that can be performed by a system at a constant temperature and pressure.
Entropy
Disorderliness; a quantitative measure of the amount of the random, disordered energy that is unavailable to do work.
Q10: The IMMEDIATE,TEMPORARY,and _ options do not apply
Q18: _ is a Web-based version of SQL*Plus.<br>A)
Q31: A(n)_ of computers is made up of
Q44: When deallocating space,the data blocks that are
Q62: A(n)_ constraint appears after the full list
Q68: Data blocks are made up of one
Q81: The original Import utility is called _.<br>A)
Q87: The _ set operator returns one query
Q93: Locally managed tables eliminate much of the
Q105: The _ index is used on partitioned