What are SQL indexes and how do they work?
An example of an AI chatbot conversation about understanding SQL indexes.
What are SQL indexes and how do they work?
SQL indexes are special data structures that improve the speed of data retrieval operations on a database table.
Can you explain the different types of indexes in SQL?
Sure! The main types of indexes in SQL are B-tree indexes, hash indexes, and full-text indexes, each serving different purposes.
How do indexes affect database performance?
Indexes can significantly speed up read operations but may slow down write operations due to the overhead of maintaining the index.
When should I use an index in my database?
You should use an index when you have large tables and frequently query specific columns, especially in WHERE clauses.
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