There are some restrictions on Express mode.
在Express模式上有一些限制。
Consider the EXPRESS mode is used within the USING clause.
假定我们在using子句中使用EXPRESS模式。
DELUXE mode provides more concurrency to the target table while loading, whereas EXPRESS mode expects the target table to be a RAW table.
DELUXE在加载时向目标表提供更多并发性，而EXPRESS模式期望目标表是一个raw表。
So, when EXPRESS mode is specified and it is internally switched to DELUXE, such information is logged in the message log, as is the case if the reverse happened.
因此，当EXPRESS模式被指定并在内部切换为DELUXE模式时，这样的信息就会记录在消息日志中；反之亦然。
So, when EXPRESS mode is specified and it is internally switched to DELUXE, such information is logged in the message log, as is the case if the reverse happened.
因此，当EXPRESS模式被指定并在内部切换为DELUXE模式时，这样的信息就会记录在消息日志中；反之亦然。
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