基于信用卡的支付有四种模式,即()、()、()、()。
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宾客对饭店产品消费的基本需求包括:清洁、舒适、方便、安全、尊重。
A. 正确
B. 错误
“四个服从”的原则包括(),少数服从多数,下级服从上级,()。
Which two statements are true regarding hot patching? ()
A. It requires relinking of the Oracle binary.
B. It does not require database instance shutdown.
C. It can detect conflicts between two online patches.
D. It is available for installing all patches on all platforms.
E. It works only in a single database instance environment.