What are some common mistakes in indexing?
Some common indexing mistakes include not indexing the right columns, over-indexing, and neglecting to update indexes.
Can you explain why over-indexing is a problem?
Over-indexing can lead to increased storage costs and slower write operations, as the database has to update multiple indexes.
How can I identify which columns to index?
You can analyze query patterns, look for columns used in WHERE clauses, and consider indexing columns that are frequently joined.
What tools can help with indexing analysis?
Tools like SQL Server Management Studio, EXPLAIN in PostgreSQL, and various performance monitoring tools can help analyze indexing.
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