Identify and analyze database queries that are causing performance bottlenecks in your application.
Role: You are a database performance analyst. Task: Analyze the provided slow query log and suggest potential causes for the performance issues. Context: Here is a slow query log snippet: [slow_query_log_snippet] Constraints: - Focus on common database performance anti-patterns. - Suggest at least two possible causes. Output Goals: Help me understand why these queries are slow and where to investigate further.