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How can you improve search speed on a large articles table using full-text search?

hard📝 Application Q9 of 15
PostgreSQL - Full-Text Search
How can you improve search speed on a large articles table using full-text search?
ACreate a GIN index on to_tsvector(content)
BUse LIKE queries with wildcards on content
CStore content as JSON and search with JSON operators
DAdd a B-tree index on the content column
Step-by-Step Solution
Solution:
  1. Step 1: Understand indexing for full-text search

    GIN indexes efficiently support full-text search on to_tsvector columns.
  2. Step 2: Evaluate other options

    LIKE and B-tree indexes are inefficient for large text search; JSON operators are unrelated.
  3. Final Answer:

    Create a GIN index on to_tsvector(content) -> Option A
  4. Quick Check:

    Best index for full-text search = B [OK]
Quick Trick: Use GIN index on to_tsvector for fast full-text search [OK]
Common Mistakes:
  • Using LIKE for large text search
  • Adding B-tree index on text column
  • Confusing JSON search with full-text search

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