Oracle数据库启动过程的几个阶段(SHUTDOWN -> NOMOUNT -> MOUNT -> OPEN)
Oracle数据库启动过程的几个阶段:SHUTDOWN -> NOMOUNT -> MOUNT -> OPEN
1.shutdown immediate
SQL> startupORACLE instance started. Total System Global Area 251658240 bytesFixed Size 788368 bytesVariable Size 145750128 bytesDatabase Buffers 104857600 bytesRedo Buffers 262144 bytesDatabase mounted.Database opened.
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