Data distribution in particular columns may change over time.

特定列中的数据分布可能随时间发生改变。

youdao

Since the queries are dynamic, with unknown selection criteria at compile time, plan generation can be incorrect, even with the availability of full distribution statistics on the data.

由于查询是动态的，在编译时并不知道其选择标准，因此，即使有了关于数据的完整的分布统计，仍然可能生成错误的计划。

youdao

Currently, many business users spend too much time collecting, combining, consolidating, and distributing data when they use spreadsheets as their primary information distribution system.

目前，很多业务用户在使用电子表格作为主要信息分发系统时，花费过多时间来收集、组合、整合和分发数据。

youdao

Clearly, eBay has high-functioning systems in place for data collection, real-time analysis, targeted distribution, automated response, etc.

FORBES: The Surprising Way eBay Used Big Data Analytics to Save Millions