January 16, 2008

clustered vs non-clustered Index sql server

Question: difference between clustered and non-clustered Indexing,

following are some compiled differences list. May be useful for you.
if useful & more info to add please comment if anything wrong please criticize

1. Only one clustered and 249 nonclustered indexes.

2. Clustered index can be on primary key and other.

3. If you don’t want to create clustered index on primary specify it.

4. SQL Server determines whether to use an index by examining only the first column defined in the index. For example, if you defined an index on FirstName, LastName and a query is looking for LastName, this index would not be used to satisfy the query.


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Anonymous said...