表1中演示了其where语句的四种变化。

It shows four variations of its where clause in Table 1.

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可以使用CREATE table语句创建一个staging表。然后，当MQT的底层表被修改时，变化就会传播过来，并立即被添加到staging表中。

You can create a staging table using the create table statement; then, when the underlying tables of the MQT are modified, the changes are propagated and immediately appended to the staging table.

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