How do I create a clustered index in SQL?
An example of an AI chatbot conversation about creating a clustered index in SQL.
How do I create a clustered index in SQL?
To create a clustered index in SQL, you can use the CREATE INDEX statement. For example: CREATE CLUSTERED INDEX idx_name ON table_name(column_name); This will sort the data in the table based on the specified column.
What are the benefits of using a clustered index?
Clustered indexes improve the performance of queries that retrieve data in sorted order and can speed up data retrieval significantly.
Can I have multiple clustered indexes on a table?
No, a table can only have one clustered index because the data rows can only be sorted in one order.
What happens if I try to create a clustered index on a table that already has one?
If you try to create a clustered index on a table that already has one, you will receive an error. You need to drop the existing clustered index first.
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