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Why is it important to use indexes on database columns when optimizing WordPress queries?

easy📝 Conceptual Q1 of 15
Wordpress - WordPress Query and Database
Why is it important to use indexes on database columns when optimizing WordPress queries?
AIndexes speed up data retrieval by allowing faster searches on columns
BIndexes increase the size of the database making it slower
CIndexes automatically delete duplicate data in tables
DIndexes prevent WordPress from caching query results
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of indexes in databases

    Indexes create a quick lookup for data in columns, reducing search time.

  2. Step 2: Relate indexes to WordPress query performance

    Using indexes on queried columns helps WordPress fetch posts faster.

  3. Final Answer:

    Indexes speed up data retrieval by allowing faster searches on columns -> Option A

  4. Quick Check:

    Indexes = Speed up queries [OK]
Quick Trick: Indexes help find data faster in large tables [OK]
Common Mistakes:
  • Thinking indexes slow down queries
  • Believing indexes delete duplicates
  • Assuming indexes disable caching

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