WebOct 23, 2024 · Drop一般用于删除整体性数据，如表，模式，索引，视图，完整性限制等；delete用于删除局部性数据，如表中的某一元组。drop是数据库定义语言（ddl），操作立即生效，原数据不放到rollbacksegment中，不能回滚，操作不触发trigger。delete语句是数据库操作语言（dml），这个操作会放到rollbacksegement中，在 ... Webdrop off definition: 1. to start to sleep 2. If the amount, number, or quality of something drops off, it becomes less…. Learn more. drop definition: 1. to fall or to allow something to fall: 2. to die suddenly and … hazard definition: 1. something that is dangerous and likely to cause damage: … construction definition: 1. the work of building or making something, especially … delivery definition: 1. the act of taking goods, letters, parcels, etc. to people's … steep definition: 1. (of a slope) rising or falling at a sharp angle: 2. A steep rise … youth definition: 1. the period of your life when you are young, or the state of … stabilize definition: 1. If something stabilizes, it becomes fixed or stops … welfare definition: 1. help given, especially by the state or an organization, to … December definition: 1. the twelfth and last month of the year, after November and … occur definition: 1. (especially of accidents and other unexpected events) to …
drop out中文(繁體)翻譯：劍橋詞典 - Cambridge Dictionary
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