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原文如下:
The ALTER SYSTEM command globally changes the value of the parameter. The new value is effective until shutdown or until it is changed again.
The ALTER SYSTEM DEFERRED command modifies the value of the parameter for future sessions that connect to the database.
问,alter system defered是至当前数据库关闭前有效,还是对关闭后重启的数据库仍有效? |
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