What is SQL database indexing and why is it important?
SQL database indexing is a data structure technique that improves the speed of data retrieval operations on a database table.
How does indexing work in SQL?
Indexing works by creating a separate data structure that holds a sorted list of values from one or more columns, allowing for faster searches.
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 use cases.
What are the drawbacks of using indexes?
While indexes speed up read operations, they can slow down write operations and consume additional disk space.
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