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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.

  • A
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