What is the difference between a clustering index and a secondary index?

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Kalaiselvi

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Secondary indexes can exist multiple times for a database and clustering indexes help with data clustering and improve data retrieval speed.
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A clustering index sorts the data rows in the table based on the index, while a secondary index is a non-clustered index that creates a separate structure for faster searches without changing the data order.
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A clustering index sorts the data rows in the table based on the index, while a secondary index is a non-clustered index that creates a separate structure for faster searches without changing the data order.
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