This step requires a minimum of 3 tables to be joined (where the 3 tables can include self-joins).
这个步骤至少需要3个连接表(3个连接表中包含自连接)。
Although grouping and aggregation can be expressed in XQuery using self-joins, it is quite awkward.
尽管可利用自连接在XQuery中表示分组和聚集，但那非常糟糕。
Jupiter joins Uranus and this most fortunate combination brings out your higher self in its most divine expression.
木星结合天王星，这个最幸运的组合把你的高我带出最神圣的表现。
Jupiter joins Uranus and this most fortunate combination brings out your higher self in its most divine expression.
木星结合天王星，这个最幸运的组合把你的高我带出最神圣的表现。
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