A Command Used in Oracle to Display How the Query

question 115

Multiple Choice

A command used in Oracle to display how the query optimizer intends to access indexes, use parallel servers, and join tables to prepare query results is the:

• A) explain plan.
• B) show optimization.
• C) explain query.
• D) analyze query.

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Definitions:

Critical Path

The longest sequence of dependent tasks in a project, determining the shortest possible duration to complete the project.

Variance

A statistical measurement of the dispersion or spread in a set of data points, reflecting how much the numbers differ from each other and from the mean.

Probability

The measure of the likelihood that an event will occur, quantified as a number between 0 and 1, with 1 indicating certainty.