If Users Access Only Certain Fields in a Table, How

question 19

Multiple Choice

If users access only certain fields in a table, how can you improve performance?

• A) by splitting the table into two or more tables and removing the primary key
• B) by combining the table with another table that performs better
• C) by splitting the table into two or more tables that each has the same primary key as the original
• D) by adding indexes to each column and deleting the primary and alternate keys

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Definitions:

Health of the Nation

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Socialized Medicine

A healthcare system in which the government owns and operates healthcare facilities and employs the healthcare professionals, thereby providing healthcare services to all citizens.

National Drug Plan

A government's strategy to address issues related to drug use, including prevention, treatment, enforcement, and harm reduction.

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Medicines that can only be obtained with a doctor's written order and are used to treat various health conditions.