A heap-organized table is a table with rows stored in no particular order. This is a standard Oracle table; the term "heap" is used to differentiate it from an index-organized table or external table.
If a row is moved within a heap-organized table, the row's ROWID will also change.
[@more@]An index-organized table (IOT) is a type of table where the data is stored in a B*Tree index structure.来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/60325/viewspace-1031633/ ，如需转载，请注明出处，否则将追究法律责任。
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