To solve these problems, drop the extraneous index, add a new index, or periodically clean out the large volume of obsolete data in some tables.

要解决这些问题，可以删除无关的索引，添加一个新的索引，或者在某些表中周期性地清除大量过期的数据。

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These data are available through a site called Google Trends, which allows anyone who CARES to do so to download an index of the aggregate volume of searches for particular terms or categories.

人们可以在一个名叫谷歌趋势的网站上得到这些数据，并且可以下载特定条款或物品被搜索总量的指数。

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The bureau's widely watched composite index said that the volume of goods trade worldwide rose at 4.8 per cent in December.

该机构受到广泛关注的综合指数显示，去年12月，全球商品贸易量增长了4.8%。

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The Retail Sales Index showed the volume of sales also grew by 0.9% in the quarter and by 1.1% over the year.

BBC: 'Tentative recovery' in Scottish retail sales

For a long time now we have struggled to cope with the sheer volume of responses we get to debates on the Have Your Say index - around 10, 000 e-mails a day.

BBC: NEWS | UK | Magazine | From the editor's desktop

These data are available through a site called Google Trends, which allows anyone who cares to do so to download an index of the aggregate volume of searches for particular terms or categories.

ECONOMIST: Internet search data may be useful for forecasters