Optimize a Slow SQL Query

Use Copilot to diagnose and optimize a slow SQL query, including index suggestions.

category:database

sql

performance

indexes

Prompt

Analyze and optimize this slow SQL query:
  
  [Paste query here]
  
  Tasks:
  - Identify likely bottlenecks.
  - Suggest better indexes or changes to existing ones.
  - Propose a more efficient version of the query if possible.
  - Explain the reasoning in plain language.