SQL has three types of indexes. Unique indexes cannot have duplicates, but clustered indexes and non-clustered indexes can have duplicates. Is the primary key a clustered index? Primary key, unique index clustered index relationship

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SQL has three types of indexes. Unique indexes cannot have duplicates, but clustered indexes and non-clustered indexes can have duplicates. Is the primary key a clustered index? Primary key, unique index clustered index relationship

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