Aligning data that must be preserved to the correct tier of storage until it is no longer useful is anexample of：（） Business Continuity。 Disaster Recovery Plan。 Storage Consolidation。 Information Lifecycle Management。
Which two statements about creating constraints are true?（） Constraint names must start with SYS_C。 All constraints must be defines at the column level.。 Constraints can be created after the table is created.。 Constraints can be created at the same time the table is created.。 Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.。
使用工具可能产生的问题不包括（） 故障误报。 流程固化后不够灵活。 系统资源占用。 增加开发成本。
You observe that database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine the required size of the database buffer cache？（） Memory Advisor。 Segment Advisor。 SQL Tuning Advisor。 SQL Access Advisor。 Automatic Database Diagnostic Monitor （ADDM）。
凡尔赛一华盛顿体系形成后，法国元帅福煦曾预言：“这不是和平，这是20年的休战。”这主要是因为（）。 资本主义大国与殖民地半殖民地的矛盾依然存在。 两种社会制度之间的矛盾终将激化。 没有消除各大国之间的矛盾，却埋下了更大冲突的种子。 法西斯专政的建立。
心理发生论又可以分为三个学派。它们是（）
