PostgreSQL - Full-Text Search
Which data type is typically used with the @@ operator in PostgreSQL?
Which data type is typically used with the @@ operator in PostgreSQL?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the data type for full-text search
PostgreSQL usestsvectorto store searchable document vectors.Step 2: Match with
The@@operator usage@@operator compares atsvectorwith atsquery.Final Answer:
tsvector -> Option AQuick Check:
Data type for @@ = tsvector = A [OK]
Quick Trick: @@ works with tsvector and tsquery types [OK]
Common Mistakes:
- Using integer or boolean with @@
- Confusing varchar with tsvector
- Not knowing tsvector stores searchable text
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