在这种模式下，每个命令或sql语句必须添加前缀db2。

In this mode, each command or SQL statement must be prefixed by db2.

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如果你需要为一个数据库手工添加前缀，你可以使用以下步骤。

If you have configured a database prefix and would like to add it in manually for, you can use the following.

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对于这其中每个字段，添加前缀为TradeObject的关联中间对象字段。

For each of these add the associated intermediate object field prefixed with TradeObject.

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