案例1:如何知道当前数据库是处于哪个阶段
SQL> select instance_name,status from v$instance;
INSTANCE_NAME STATUS
-------------------------------- ------------------------
ORCL STARTED --nomount阶段
SQL> select instance_name,status from v$instance;
INSTANCE_NAME STATUS
---------------- ------------
ORCL MOUNTED --mount阶段
SQL> select instance_name,status from v$instance;
INSTANCE_NAME STATUS
---------------- ------------
ORCL OPEN --open阶段
原文:http://fengsonglin.blog.51cto.com/9860507/1615217
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