DBA必学:Oracle库缓存
2008-01-16 12:41:06 来源:WEB开发网查询代码:
以下是引用片段:
SQL> select namespace,
pins,
pinhits,
reloads,
invalidations,
pinhitratio * 100 pinhitratio
from v$librarycache;
返回结果:
以下是引用片段:
NAMESPACE PINS PINHITS RELOADS INVALIDATIONS PINHITRATIO
--------------- ---------- ---------- ---------- ------------- -----------
SQL AREA 9510054 9475115 1920 1731 99.6326099
TABLE/PROCEDURE 2173571 2158422 2525 0 99.3030363
BODY 977001 976796 16 0 99.9790174
TRIGGER 28566 28491 11 0 99.7374501
INDEX 9735 8359 5 0 85.865434
CLUSTER 2294 2281 2 0 99.4333043
OBJECT 0 0 0 0 100
PIPE 0 0 0 0 100
JAVA SOURCE 0 0 0 0 100
JAVA RESOURCE 0 0 0 0 100
JAVA DATA 493 489 0 0 99.188641
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