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DA0-001 · Question #398

A database administrator needs to increase performance on a large dimension table. Which of the following is the best way to accomplish this task?

The correct answer is B. Partitioning. Partitioning: This technique involves dividing a large table into smaller, more manageable pieces called partitions. Each partition can be accessed and maintained separately, which enhances query performance and simplifies data management. Partitioning allows the database to…

Data Concepts and Environments

Question

A database administrator needs to increase performance on a large dimension table. Which of the following is the best way to accomplish this task?

Options

  • ASampling
  • BPartitioning
  • CWindowing
  • DSorting

How the community answered

(40 responses)
  • A
    10% (4)
  • B
    45% (18)
  • C
    15% (6)
  • D
    30% (12)

Explanation

Partitioning: This technique involves dividing a large table into smaller, more manageable pieces called partitions. Each partition can be accessed and maintained separately, which enhances query performance and simplifies data management. Partitioning allows the database to read only the relevant partitions during a query, reducing the amount of data processed and speeding up response times.

Topics

#Database performance#Data partitioning#Table optimization#Dimension tables

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