questions - Question:What is hash cluster in Oracle?

Hash cluster is one of the techniques to store the table in a hash cluster to improve the performance of data retrieval .we apply hash function on the table row’s cluster key value and store in the hash cluster. All rows with the same hash key value are stores together on disk.key value is same like key of index cluster ,for data retrieval Oracle applies the hash function to the row's cluster key value.

asked Sep 13, 2013 in ORACLE by anonymous
edited Sep 12, 2013
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