草原统一规划应当遵循的原则。
You backed up the control file to trace. Which statement is true about the trace file generated？（） The trace file is in binary format.。 The trace file has a SQL script to re-create the control file.。 The trace file is a backup set created during the backup of the control file. 。 The trace file contains the instructions to manually re-create the control file.。 The trace file is an image copy of the control file created during the backup of the control file.。
You run the SQL Tuning Advisor （STA） to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement，which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile？（） The tuned plan is not added to the SQL plan baseline.。 The tuned plan is added to the fixed SQL plan baseline as a fixed plan.。 The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.。 The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.。
Which system provides the highest performance per core, and the least cost for applications licensed per core?（） A Power 795 with MaxCore mode。 A Power 780 with MaxCore mode。 A Power 755 with TurboCore mode。 A Power 780 with TurboCore mode。
学校团体心理辅导中，发展性团体的主要功能包括（） 教育功能。 治疗功能。 预防功能。 矫正功能。
You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）
