What are the best practices for indexing in Ruby on Rails?
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What are the best practices for indexing in Ruby on Rails?
When indexing in Ruby on Rails, consider using database indexes to speed up query performance. Focus on columns that are frequently used in WHERE clauses, JOINs, and ORDER BY clauses.
How do I create an index in a Rails migration?
You can create an index in a Rails migration using the add_index method. For example: add_index :table_name, :column_name.
Are there any downsides to having too many indexes?
Yes, having too many indexes can slow down write operations, as the database needs to update the indexes whenever data is modified.
What tools can I use to analyze index performance?
You can use tools like the EXPLAIN command in SQL to analyze query performance and see how indexes are being utilized.
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