BBED那些事-自用总结
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简单的说明
select checkpoint_change# from v$database; --来自controlfile
select checkpoint_change# from v$datafile; --来自controlfile
select checkpoint_change# from v$datafile_orader; --来自datafile header
最常用的关注的几个值的信息
BBED> p kcvfh
struct kcvfh, 676 bytes @0
ub4 kscnbas @484 0x0002be3f --------数据文件头scn
ub4 kcvcptim @492 0x33b69ab8 --------数据文件头checkpoint_time的值
ub4 kcvfhcpc @140 0x0...
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