The star schemas require the generation and proper use of primary or foreign keys for the fact and dimension tables.
星型模式要求生成并适当使用事实表和维表的主键或外键。
High proper motion normally indicates a nearby star, so displaying proper motion labels is a quick way of spotting such stars.
高自行通常表示是一颗近距离恒星，所以显示自行标签是确准此类恒星位置的快捷途径。
Everything said in this section and not elsewhere did not happen in the "proper" Star Wars continuity.
这一部分所述或其他的任何内容均未发生在“正统”的星战故事中。
The star has not been given a proper name. It appears in a catalogue of stars compiled by the German astronomer William Gliese where it has been given the reference number 581.
红矮星gliese 581没有被正式命名，它出现在德国天文学家威廉·葛利斯(William Gliese)编纂的恒星目录中，参考号为581。
The star has not been given a proper name. It appears in a catalogue of stars compiled by the German astronomer William Gliese where it has been given the reference number 581.
红矮星gliese 581没有被正式命名，它出现在德国天文学家威廉·葛利斯(William Gliese)编纂的恒星目录中，参考号为581。
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