In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?()
A. Syntax when writing queries involving JOINS
B. Memory usage when working with the data
Character set mapping index hash size
Disk usage when storing data
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多人抬运钢筋时,应有统一指挥,()等动作一致。
A. 起
B. 落
C. 转
D. 停
车站水系统由冷水机组、冷却水泵、冷冻水泵、()等设备组成。
运用客车质量鉴定时,塞拉门外操作锁失效属于()故障。
A类
B类
C类
D类