Nevertheless, to change a DB CFG parameter online, a connection to the database is mandatory, and the UPDATE DB CFG command must include the option IMMEDIATE, as shown in Listing 15.
尽管如此，要在线改变DBCFG参数，对数据库的连接是强制性的，而且UPDATE DB CFG命令必须包含IMMEDIATE选项，如清单15所示。
Nevertheless, to change a DB CFG parameter online, a connection to the database is mandatory, and the UPDATE DB CFG command must include the option IMMEDIATE, as shown in Listing 15.
尽管如此，要在线改变DBCFG参数，对数据库的连接是强制性的，而且UPDATE DB CFG命令必须包含IMMEDIATE选项，如清单15所示。
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