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The testing was done on the working conditions such as the sample resolution, element wave-length, air-carrier flow, auxiliary air flow, observed altitude, etc.
对样品的溶解、元素波长、载气流量、辅助气流、观察高度等工作条件进行试验,选定了最佳测定条件。
In explicit UPDATE STATISTICS operations in MEDIUM mode, a new SAMPLING SIZE option in the Resolution clause can specify the minimum number of rows to sample for column distributions.
在MEDIUM模式的显式的UPDATE STATISTICS操作中,resolution子句中新的SAMPLING SIZE选项可以指定列分布进行抽样的最少行数。
If you want to measure a database outage to a one minute resolution, that means you have to sample every 30 seconds.
如果要在1分钟内评测数据库运行中断事件,那么必须每30秒进行一次抽样。
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