[options] -> scn min [scn] | scn max [scn] |
dba min [file#] [block#] | dba max [file#] [block#] |
time min [ub4] | time max [ub4] |
layer [word] |
opcode [word] |
objno [word] |
xid [undoseg#] [slot#] [wrap#] |
validate
参考：How to Dump Redo Log File Information (文档 ID 1031381.6)