Which of the Following Statements About Indexes Is Incorrect

question 99

Multiple Choice

Which of the following statements about indexes is incorrect?

• A) An index is a database object that stores a frequently referenced value and the row id (ROWID) of the record containing that value.
• B) An index is only beneficial if a large percentage of a table is expected to be returned in query results.
• C) An index is used to speed up the process of searching for specific data.
• D) An index is updated automatically every time a DML operation is performed on the underlying table, which can slow down execution of the DML operation.

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Definitions:

Mezzo Practice

Social work practice focused on small to medium-sized groups, including families and other small groups, moving between the individual focus of micro practice and the broader community focus of macro practice.

Macro Practice

Social work practice focused on large-scale social processes and structures, aiming to instigate systemic changes through policy advocacy, program development, and community organization.

Emphasizing Strengths

The practice of focusing on and leveraging an individual's or group's strong points and abilities in various contexts.

Mezzo Levels

Pertaining to the intermediate level, especially in social work, focusing on small-to-medium-sized groups such as neighborhoods, schools, or other local community groups.