单项选择题
A. Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT; statement.
B. Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE; statement.
C. Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE; statement.
D. You cannot shrink the SCOTT.EMP table.
单项选择题 This is the online redo log files and the control file configurations: Based on these configurations, which statement is true?()
单项选择题 YouaremaintainingyourOLTPdatabaseinOracle10g.Whileobservingtheperformanceofthedatabase,youfindthatthelogswitchoccursmorethanonceforevery20minutes,affectingthedatabaseperformance.Whichfactorisresponsibleforfrequentlogswitches?()
单项选择题 YouaremaintainingyourdatabaseinOracle10g.YouhavesetthevalueoftheSTATISTICS_LEVELinitializationparametertoTYPICALandthevalueoftheFAST_START_MTTR_TARGETparameterto900seconds.Toincreasetheperformanceofthedatabase,youwanttodeterminetheoptimalsizeoftheonlineredologfiles.Whichtoolenablesyoutodeterminetheoptimalsizeoftheonlineredologfiles?()