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單項選擇題
You have applications that have frequently executed queries, and produce small and static result sets.You configure the sqlnet.ora file in the client machine to set a nonzero value for the OCI_RESULT_CACHE_MAX_SIZE parameter. What is the purpose of this configuration?（）
A. to avoid round trips to the server by enabling caching of query results in client memory
B. to improve performance by storing a copy of the data from the private SQL area of the PGA
C. to enhance the query performance by creating a cache in the client memory for sorting operations
D. to avoid the storing of query plans and results in the server by creating a cache in the client memory
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