Bird
0
0

Which input does ts_headline require to highlight text correctly?

easy📝 Conceptual Q2 of 15
PostgreSQL - Full-Text Search
Which input does ts_headline require to highlight text correctly?
AA text column and a tsquery search expression.
BOnly a text column without any query.
CA numeric column and a text query.
DA boolean value and a text column.
Step-by-Step Solution
Solution:

  1. Step 1: Identify ts_headline parameters

    ts_headline needs the text to highlight and a search query to find matches.

  2. Step 2: Match parameters to options

    A text column and a tsquery search expression. correctly states it requires a text column and a tsquery expression.

  3. Final Answer:

    A text column and a tsquery search expression. -> Option A

  4. Quick Check:

    ts_headline inputs = text + tsquery [OK]
Quick Trick: ts_headline needs text and tsquery inputs [OK]
Common Mistakes:
  • Providing only text without a query
  • Using wrong data types like numeric or boolean
  • Confusing tsquery with plain text

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More PostgreSQL Quizzes
Aggregate Functions and GROUP BY - JSON aggregation with JSON_AGG - Quiz 13medium Aggregate Functions and GROUP BY - GROUPING SETS for multiple groupings - Quiz 8hard Aggregate Functions and GROUP BY - HAVING for filtering groups - Quiz 10hard Common Table Expressions - CTE vs subquery performance - Quiz 3easy Joins in PostgreSQL - NATURAL join and its risks - Quiz 1easy Joins in PostgreSQL - Self join patterns - Quiz 1easy Joins in PostgreSQL - NATURAL join and its risks - Quiz 12easy Set Operations and Advanced Queries - INTERSECT and EXCEPT - Quiz 12easy Window Functions in PostgreSQL - PARTITION BY for grouping windows - Quiz 9hard Window Functions in PostgreSQL - NTILE for distribution - Quiz 10hard