Running the same query a second time on Informix alone did not speed things up much because all the data would not fit in memory and the buffers were continually thrashing.
单独在 Informix 上再次运行相同查询速度并没有快多少，因为无法将所有数据放入内存中，并且缓冲器一直在超负荷运转。
Tuning the Universal Server's query optimizer for particular types of complex data can vastly improve querying speed on those data types.
为特定类型的复杂数据调整万能服务器的查询优化器，能大大提高这些数据类型的查询速度。
In order to improve the query speed, the work discussed the data index too.
为了提高数据查询的速度，对数据索引也做了部分探讨。
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