If no columns satisfy the requirement for a default partitioning key, the table is created without one, which means the table cannot span more than one partition.

如果没有列能满足作为默认分区键的条件，则表在创建后就没有分区键，也就意味着这个表不能横跨一个以上的分区。

youdao

There are spaces above, but it is all cantilevered with no columns.

上面有空间，但均是悬挑的无柱结构。

youdao

But Daly, who is no stranger to the gossip columns himself, has been vocal in his support of Woods.

BBC: John Daly hits back at players criticising Tiger Woods

On issue votes, tallies are recorded under 'Yes', 'No', and 'Abstain' columns.

CNN: Online Roll Call debuts at Democratic National Convention

So, it should come as no surprise to those familiar with my columns that I make an effort to stay afloat of the latest Hollywood fodder.

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