The _______ index stores a copy of the indexed columns along with the index data structure.
- Clustered
- Composite
- Non-Clustered
- Unique
A clustered index stores a copy of the indexed columns along with the index data structure itself. This arrangement of data storage directly corresponds to the order of the indexed columns, making retrieval of data faster when queries align with the index order. However, it's important to note that a table can only have one clustered index, typically on the primary key column.
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