What are some effective SQL indexing strategies?
An example of an AI chatbot conversation about SQL indexing strategies for optimizing database performance.
What are some effective SQL indexing strategies?
Effective SQL indexing strategies include using composite indexes, covering indexes, and indexing foreign keys.
Can you explain what a composite index is?
A composite index is an index on multiple columns, which can speed up queries that filter on those columns together.
When should I avoid using indexes?
Avoid using indexes on columns with low cardinality or on frequently updated columns, as they can slow down write operations.
How do I determine which columns to index?
Analyze your query patterns and use tools like the SQL Server Query Store or EXPLAIN in MySQL to identify slow queries.
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