Explain the all type Table uses

Hai,
I got this information from one site, can any one give full details of each one and adventages over one anothers or related websites.
There are seven types of tables in Oracle.
Heap organized tables
Index organized tables
Clustered tables
Hash clustered tablels
Nested tables
Temporary tables
Object tables
Required Information:
Purpose of 7 types.
how can we use these tables efficiently.
Pros and cons for all tables.
Regards,
V.Karthik

Well,
You can search at http://asktom.oracle.com or read oracle docs.
Jaffar

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