cnblogs_5359

摘要： Which three events always result in a write request made to the LGWR process? A)after undo is applied by PMON during process recovery B)when dirty buf 阅读全文

摘要： Which two events always request the LGWR to write? A)When DBWn writes dirty buffers. B)When a log switch occurs. C)When a checkpoint occurs. D)When LG 阅读全文

摘要： Which four are true about the Automatic Workload Repository (AWR)? A)AWR data can be retained for a month. B)It includes statistics on the number of c 阅读全文

摘要： Which three are true about AWR snapshots? A)They are always created automatically. B)They are always created manually. C)They are generated If statist 阅读全文

摘要： Which two are true about AWR snapshots? A)They are stored in the SYSAUX tablespace. B)They are always created automatically. C)They can be retained fo 阅读全文

摘要： Which three are true about the Automatic Workload Repository (AWR)? A)AWR data is stored in the SYSTEM tablespace. B)By default, AWR snapshots are tak 阅读全文

摘要： Which three are true about the Automatic Workload Repository (AWR)? A)AWR data is stored in the SYSTEM tablespace. B)By default, AWR snapshots are tak 阅读全文

摘要： Which three are true about the Automatic Workload Repository (AWR)? A)AWR data is stored in the SYSAUX tablespace. B)Automatic AWR snapshots are creat 阅读全文

摘要： Which two are true about Optimizer Statistics? A)They are gathered by the Manageability Monitor(MMON) background process. B)They can be gathered by ex 阅读全文

摘要： Which two are true about Oracle's Optimizer statistics? A)They are automatically updated when ddl statements execute. B)They can be calculated exactly 阅读全文