The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You want to manage the SQL plan evolution task manually. Examine the following steps: 1. Set the evolve task parameters. 2. Create the evolve task by using the DBMS_SPM.CREATE_EVOLVE_TASK function. 3. Implement the recommendations in the task by using the DBMS_SPM.IMPLEMENT_EVOLVE_TASK function. 4. Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function. 5. Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function. Identify the correct sequence of steps:() ["2,4,5","2,1,4,3,5","1,2,3,4,5","1,2,4,5"]
同样生产过程中调节器积分调节作用有以下规律积分时间加长调节作用() ["增强","减弱","不变"]
While deploying a new application module,the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?() [" The plan baselines can be evolved over time to produce better performance."," The newly generated plans are directly placed into the SQL plan baseline without being verified."," The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration."," The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported."]
以下哪些现象反映的是社会知觉印象效应中的晕轮效应?() ["爱屋及乌","第一印象","厌恶和尚,恨及袈裟","以貌取人"]
Which statement correctly describes the change tracking writer (CTWR) background process?() [" It keeps track of changes in the background processes."," It records the system change number (SCN) in the control file."," It writes audit records for user changes to the change tracking file."," It records any changes to the listened configuration in the listener.ora file."," It records any changes to the database parameters in the change tracking file."," It records the physical location of all the changes that are made to the database in the change tracking file."]
以下代码的功能为:通过创建一个数据集并绑定到DataGrid控件,将SQLServer中pubs数据库的Customers表的数据显示到DataGrid表格中。请指出其中的错误。
