Initially, for the Automatic Workload Repository (AWR) statistics,the retention period is set to 7 days, the collection interval is set to 30 minutes and the collection level is set to Typical in your production database. You have been using the Memory Advisor for the last three months to generate recommendations for tuning memory components. However,when you observe the Memory Advisor on a Friday,you find that the statistics are available only for two days, Thursday and Friday,of that week. What would have caused the statistics to be removed?() On Wednesday, the statistics have been purged.。 On Wednesday, the retention period has been set to zero.。 On Wednesday, the collection interval has been set to zero.。 On Wednesday, the collection level has been changed to All.。 On Wednesday, the retention period has been set to one day.。 On Wednesday, the retention period has been set to two days。 On Wednesday, the collection level has been changed to Typical.。 On Wednesday, the collection interval has been set to 1440 minutes.。
男性,50岁。车祸致双下肢广泛软组织挫伤。人院查体:心率106/min,血压105/75mmHg,急行手术清创。术后第2天患者尿量减少至25ml/h以下,经补液后不见好转,为进一步明确诊断,下列哪一项检查最有价值() X线拍片。 血尿素氮、肌酐检查。 血生化检查。 动脉血气分析。 尿常规及细菌培养。
A customer has shut down an LPAR after using DLPAR to add or remove processor and memory resources. When the partition is reactivated, the desired changes are missing. What action, or sequence of actions, will immediately and permanently solve this problem?() Add or remove the resources in the profile, click 'apply', then 'save'.。 Add or remove the resources using DLPAR and change the partition profile.。 Add or remove the resources using DLPAR, then shutdown and reactivate the LPAR.。 Add or remove the resources in the system profile and reboot the managed system.。
What is necessary for your query on an existing view to execute successfully? () The underlying tables must have data.。 You need SELECT privileges on the view.。 The underlying tables must be in the same schema.。 You need SELECT privileges only on the underlying tables.。
工程监理单位必须依据()规定,派出监理机构进驻工程施工现场 监理规范。 工程监理委托合同。 监理招标文件。 政府文件。
Which NLS parameter directly governs linguistic searches?()