in the create table, when to use parallel storage? when to use logging storage?
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in the create table, when to use parallel storage? when to use logging storage?
Have you read the documentation to find out what the meanings of the PARALLEL/NOPARALLEL and LOGGING/NOLOGGING clauses are? http://tahiti.oracle.com and look at the Concepts Guide.
Clue: they are not to do with storage.