
ORA-00600 kcratr_nab_less_than_odr
this solution works for me!
credit to http://dbataj.blogspot.com/2011/06/alter-database-open-fails-with-ora.html
Solution
C:\Users>sqlplus "/ as sysdba"
Option a
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SQL>Startup mount ;
SQL>Show parameter control_files
Query 1
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sql>select a.member,a.group#,b.status from v$logfile a ,v$log b where a.group#=b.group# and b.status='CURRENT'
Note...