数据库基准测试的目的和作用

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本文阐述了数据库基准测试的三大核心用途：比较不同硬件配置、不同数据库供应商软件及不同数据库软件版本之间的性能。通过使用相同的基准测试在相同机器上运行不同的数据库软件，可以轻松比较各种数据库供应商，如Oracle、Microsoft、IBM等，从而做出价格与性能的决策。

数据库基准测试的目的和作用：
Reasons for Benchmarking
Benchmarks are performed for various reasons. However, benchmarks are primarily used:
1、To compare different hardware configurations
Benchmarks can be used to compare the relative performance of different hardware running

the same application. This is generally used to directly compare hardware configurations

between two hardware vendors.

2、To compare different database vendor software
By running the same benchmark using different database software on the same machine, one

can easily compare between different database vendors. This is generally used to make a

price/performance decision between vendors such as Oracle, Microsoft, IBM, etc.

3、To compare different database software releases
Similar to the above, one can use different versions of the same vendor's database

software to compare the one they want to use or check for performance regressions due to

upgrades (i.e. 10g vs. 11g).