请记住一个要点:在安装全新的AIX 6或7时,会自动地设置新的内存可调项默认值。
One key point is: a fresh AIX 6 or 7 install will automatically install the new defaults for memory.
可以添加额外的代码来执行一个检查,检查新值是不是一个用户定义值,用以表明数据库值应该被设置为NULL或针对该列定义的默认值。
Additional code could be added to perform a check to see if the new value is a user-defined value indicating that the database value should be set to NULL or the default value defined for the column.
使用旧版本Transformer的客户可能更愿意将它设置为0,而不是新默认值NA。
Customers with prior versions of Transformer may prefer to set this to zero rather than the new default of NA.
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