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ORA-00824: cannot set sga_target due to existing internal settings
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sql> conn sys/sys@jlyw as sysdba
sql> show sga;
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sql> create spfile from pfile='full path.............ÉÏÃæµÄinit.ora.*
oradim -shutdown -sid jlyw -shutmode immediate
oradim -startup -sid jlyw -spfile
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