How do SQL indexes affect database performance?
An example of an AI chatbot conversation about SQL indexes and their impact on performance.
How do SQL indexes affect database performance?
SQL indexes significantly improve query performance by allowing the database to find rows faster, reducing the amount of data scanned.
Can you explain the different types of indexes in SQL?
Sure! The main types of indexes are B-tree indexes, hash indexes, and full-text indexes, each serving different use cases.
When should I use an index?
You should use an index when you have large tables and frequently run queries that filter or sort data based on specific columns.
Are there any downsides to using indexes?
Yes, while indexes speed up read operations, they can slow down write operations like INSERT, UPDATE, and DELETE due to the overhead of maintaining the index.
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