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MS SQL Server Indexes Interview Question:
Do you know Clustered and Non-Clustered Index?
Submitted by: AdministratorClustered index exists as sorted row on disk.
Clustered index re-orders the table record.
Clustered index contains record in the leaf level of the B-tree.
There can be only one Clustered index possible in a table.
Non-clustered is the index in which logical order doesn't match with physical order of stored data on disk.
Non-clustered index contains index key to the table records in the leaf level.
There can be one or more Non-clustered indexes in a table.
Submitted by: Administrator
Clustered index re-orders the table record.
Clustered index contains record in the leaf level of the B-tree.
There can be only one Clustered index possible in a table.
Non-clustered is the index in which logical order doesn't match with physical order of stored data on disk.
Non-clustered index contains index key to the table records in the leaf level.
There can be one or more Non-clustered indexes in a table.
Submitted by: Administrator
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