39.Oracle杂记——Oracle常用动态视图v$sysstat

视图v$sysstat显示了系统统计信息。查找统计信息的名字可以通过静态号在V$STATNAME视图中进行查找。

描述如下:

sys@PDB1> desc v$sysstat

 Name                                                                  Null?    Type

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

 STATISTIC#                                                                     NUMBER

 NAME                                                                               VARCHAR2(64)

 CLASS                                                                                NUMBER

 VALUE                                                                               NUMBER

 STAT_ID                                                                NUMBER

 CON_ID                                                                           NUMBER

 

各个列描述如下:

STATISTIC#:静态统计号

 NAME:静态统计名字

 CLASS:表示统计类的数字

 VALUE:具体统计值

 STAT_ID :统计信息的ID

 CON_ID:容器ID