You executed the following commands: SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false; SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS(’SH’, ’CUSTOMERS’, ’PUBLISH’,’false’); SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS(’SH’, ’CUSTOMERS’); Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?() [" The statistics are stored in the pending statistics table in the data dictionary."," The statistics are treated as the current statistics by the optimizer for all sessions."," The statistics are treated as the current statistics by the optimizer for the current sessions only."," The statistics are temporary and used by the optimizer for all sessions until this session terminates."]
锻炼对心理的好处有()、()、缓解应激以及提高自尊等。
You create two resource plans, one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.How would you achieve this? () ["Implement job classes ","Implement Scheduler windows","Implement the mapping rule for the consumer groups ","Set the SWITCH_TIME resource plan directive for both the resource pla"]
Given a correctly compiled class whose source code is: Assume that the class file is located in /foo/com/sun/sjcp/, the current directory is /foo/, and that theclasspath contains "." (current directory). Which command line correctly runs Commander?() ["java Commander","java com.sun.sjcp.Commander","java com\/sun\/sjcp\/Commander","java -cp com.sun.sjcp Commander","java -cp com\/sun\/sjcp Commander"]
通过电容器介质转换为热能而损失掉的电源指提供的()。 [".全部电流","大部电流","少部电流"]
土地承包经营权包括哪些具体的权利?