soccer_champ

• Jun 20th, 2005

 

An index cluster uses an index to maintain data within the cluster. The structure of a cluster index is similar to a normal index. 
Although a normal index does not store NULL key values, and index cluster can store it.  
And, a cluster index is likely to be smaller than a normal index because, there is only one entry for each key value in the cluster index, even if that is repeating. 
If in doubt, email me at : bobby_1020@hotmail.com