mystat脚本获得oracle统计结果

mystat.sql和mystat2.sql可以根据v$mystat视图中的信息得出执行各个语句的各项统计结果

mystat.sql只是获得统计结果的开始值:

setechooff

setverifyoff

columnvaluenew_valV

defineS="&1"

setautotraceoff

selecta.name,b.valuefromv$statnamea,v$mystatb

wherea.statistic#=b.statistic#

andlower(a.name)like'%'||lower('&S')||'%'

/

setechoon;

mystat2.sql用于报告差值:

setechooff

setverifyoff

selecta.name,b.valueV,to_char(b.value-&V,'999,999,999,999')diff

fromv$statnamea,v$mystatb

wherea.statistic#=b.statistic#

andlower(a.name)like'%'||lower('&S')||'%'

/

setechoon

例如要查看某个update产生的redo数,可以使用一下命令:

SQL>@mystat.sql"redosize"

SQL>setechooff

NAME								VALUE

--------------------------------------------------------------------------

redosize							4272908

redosizeforlostwritedetection					0

redosizefordirectwrites					8228

SQL>updatetobjsetcreated=sysdate;

14921rowsupdated.

SQL>commit;

Commitcomplete.

SQL>@mystat2

SQL>setechooff

NAME									VDIFF

------------------------------------------------------------------------------------------

redosize							8548796	8,540,568

redosizeforlostwritedetection					0	-8,228

redosizefordirectwrites					16456	8,228