Oracle 11G OCP 1Z0-053 40

LuiseDalian發表於2014-08-12
(40)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.

答案:(A)

解析:

參考DBMS_ADVISOR.QUICK_TUNE過程

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