Backend directives apply to all databases instances of the same type and, depending on the directive, may be overridden by database directives.
Backend directives apply to all databases instances of the same type and, depending on the directive, may be overridden by database directives.
后台指令应用于所有相同类型的数据库实例，并且根据指令的不同也可能被数据库指令复盖。