PostgreSQL - Set Operations and Advanced Queries
Which clause would you use to skip inserting a row if a conflict occurs on a unique key?
Which clause would you use to skip inserting a row if a conflict occurs on a unique key?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the clause to skip insert on conflict
The clause DO NOTHING tells PostgreSQL to skip the insert if a conflict happens.Step 2: Confirm the correct syntax
ON CONFLICT DO NOTHING is the correct syntax to ignore the conflicting insert.Final Answer:
ON CONFLICT DO NOTHING -> Option BQuick Check:
Skip insert on conflict = DO NOTHING [OK]
Quick Trick: Use DO NOTHING to skip conflicting inserts [OK]
Common Mistakes:
- Using DO UPDATE when you want to skip insert
- Assuming DELETE works with ON CONFLICT
- Using IGNORE which is invalid syntax
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