如果远程视图包含一个复杂的查询,那么使用表级统计信息(例如视图昵称的基数)可能使人产生误解。
If the remote view contains a complex query, using table-level statistics such as the cardinality for the nickname over the view can be misleading.
对于本文中的查询,收集了引用表、列、索引的统计数据,如表基数、列基数等等。
For the query in this article, the basic statistics of the referenced tables, columns and indexes were collected, such as the table cardinality, column cardinality, an so on.
和1.31亿的就业岗位基数相比,这两个数据在统计上并不高。
Neither figure is statistically significant from zero, given that the growth is compared to a base of 131 million jobs.
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