During the Query Optimization Process,which Phase Generates and Evaluates Access

question 52

Multiple Choice

During the query optimization process,which phase generates and evaluates access plans and chooses the access plan with the lowest cost?

• A) Syntax and semantic analysis
• B) Query transformation
• C) Access plan evaluation
• D) Access plan interpretation
• E) Code generation

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Definitions:

Axon Hillock

The cone-shaped area of a neuron where the cell body transitions to the axon, and from which action potentials are initiated.

Democracy

A form of government in which power is vested in the hands of the people, either directly or through elected representatives.

EPSPs

Excitatory Postsynaptic Potentials, which are temporary increases in postsynaptic membrane potential due to the flow of positively charged ions into the postsynaptic cell, making it more likely to fire an action potential.

Excitatory Postsynaptic Potentials

Temporary increases in membrane potential in a postsynaptic neuron, making the neuron more likely to fire an action potential.