单项选择题
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
相关考题
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单项选择题
Evaluate the following code： SQL>VARIABLE task_name VARCHAR2（255）； SQL>VARIABLE sql_stmt VARCHAR2（4000）； SQL>BEGIN ：sql_stmt ：= ’SELECT COUNT（*） FROM customers WHERE cust_state_province =’’CA’’’； ：task_name ：= ’MY_QUICKTUNE_TASK’； DBMS_ADVISOR.QUICK_TUNE（DBMS_ADVISOR.SQLACCESS_ADVISOR， ：task_name， ：sql_stmt）； END； What is the outcome of this block of code？（）
A. It creates a task and workload， and executes the task.
B. It creates a task and workload but does not execute the task.
C. It produces an error because a template has not been created.
D. It produces an error because the SQL Tuning Set has not been created. -
单项选择题
The SQL Tuning Advisor configuration has default settings in your database instance. Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task？（）
A. statistics recommendations
B. SQL Profile recommendations
C. Index-related recommendations
D. restructuring of SQL recommendations -
单项选择题
During the installation of Oracle Database 11g，you do not set ORACLE_BASE explicitly. You selected the option to create a database as part of the installation. How would this environment variable setting affect the installation？（）
A. The installation terminates with an error.
B. The installation proceeds with the default value without warnings and errors.
C. The installation proceeds with the default value but it would not be an OFA-compliant database.
D. The installation proceeds with the default value but a message would be generated in the alert log file.
