mystat使用

xiaoxiao2021-03-01  4

mystat: set echo off set verify off column value new_val V define S="&1" column name format a45 set autotrace off select a.name, b.value from v$statname a, v$mystat b where a.statistic# = b.statistic# and lower(a.name) like '%' || lower('&S')||'%' -- and lower(a.name) = lower('&S') / set echo on mystat2: set echo off set verify off column diff format a18 select a.name, b.value Value, to_char(b.value-&V,'999,999,999,999') diff from v$statname a, v$mystat b where a.statistic# = b.statistic# and lower(a.name) like '%' || lower('&S')||'%' / set echo on 可以通过运行mystat,mystat2计算差值 @mystat “redo size” update 。。。。 @mystat2 可以看到update使用了多少redo column value new_val V 把第一次运行的value保存为V define S="&1" 定义S 在sqlplus命令下,可以使用&1...&n接受参数
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