In your database, the STATISTICS_LEVEL initialization parameter is set to BASIC. What is the impact of this setting?()
A. The optimizer statistics are collected automatically.
B. Only the timed operating system (OS) statistics and plan execution statistics are collected.
C. The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.
D. The snapshots for the Automatic Workload Repository (AWR) are not generated automatically.
E. Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAG
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2003年开始,清远市环境卫生管理处将财政返还的卫生清洁费以机动车队等8个内设机构名义违规私设账户,用于发放干部职工福利补贴。上述案例中体现的“小金库”行为目的是()。
A. 隐瞒侵占、截留国家收入
B. 合理管理资金的需要
C. 逃税避税
D. 为本单位或者小团体谋利益
远志薄壁细胞中含草酸钙簇晶。()
A. 正确
B. 错误
生产经营单位应当在有较大危险因素的生产经营场所和有关设施、设备上,设置明显的重大危险源标志。
A. 正确
B. 错误