自动调整执行策略，以便在基础数据库模式中应用更改，比如添加新的索引。
Automatically adjust execution strategy to accomodate changes in underlying database schemas, such as the addition of new indexes.
说到这儿，许多数码相机都有自动或半自动白平衡模式，帮助你进行调整设置。
Having said this - many digital cameras have automatic and semi-automatic modes to help you make the adjustments.
即使在光圈优先或快门优先模式下，当你调整设定，相机会自动调整另一个设定。
Even in aperture or shutter priority modes, if you attempt the change one setting, the camera will change the other Settings to compensate.
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