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There are definitely performance impacts when exceeding this limit and there are ways to overcome this limit by using indexed columns and views.

当超过这个限度后，确实存在性能影响。 有一些方法可以克服这个限度，就是使用索引列和视图。

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An MQT can be indexed to provide an even greater boost to query performance.

可以在MQT上定义索引，这会进一步提高查询性能。

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How much an individual earns is based on indexed performance.

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Because indexed stock options pay primarily for out performance, they are highly leveraged.

FORBES: How To Salvage Stock Options

The Dow has gained in the month of January three years in a row, and this year's performance is the best since the indexed surged 8.01 percent in 1989.

NPR: Stocks Drift Lower, Paring January Gains