示例:如果想查看_allow_resetlogs_corruption的参数值
SYS@orcl SQL> SELECT ksppinm, ksppstvl, ksppdesc FROM x$ksppi x, x$ksppcv y WHERE x.indx = y.indx AND ksppinm = '_allow_resetlogs_corruption';
KSPPINM KSPPSTVL KSPPDESC
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