What are indexes in databases?
An example of an AI chatbot conversation about understanding database indexes.
What are indexes in databases?
Indexes in databases are special data structures that improve the speed of data retrieval operations.
How do indexes work?
Indexes work by creating a smaller, more efficient representation of the data, allowing the database to find rows faster.
Are there different types of indexes?
Yes, there are several types of indexes, including B-tree, hash, and full-text indexes, each serving different purposes.
When should I use an index?
You should use an index when you have large tables and frequently query specific columns to enhance performance.
Can indexes slow down write operations?
Yes, while indexes speed up read operations, they can slow down write operations because the index must be updated.
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