How do indexes work in databases?
An example of an AI chatbot conversation about how indexes improve database performance.
Can you explain how indexes work in databases?
Sure! Indexes are data structures that improve the speed of data retrieval operations on a database table.
How do they actually speed up queries?
Indexes allow the database to find data without scanning the entire table, similar to how a book index helps you find topics quickly.
Are there any downsides to using indexes?
Yes, while indexes speed up read operations, they can slow down write operations because the index needs to be updated whenever data is modified.
What types of indexes are there?
There are several types, including B-tree indexes, hash indexes, and full-text indexes, each suited for different use cases.
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