ocp 19c考题，科目082考试题(22)- drop columns
摘要：
22、Choose three Which three are true about dropping columns from a table? A) A column can be removed only if it contains no data. B) A column drop is 阅读全文
posted @ 2022-02-10 15:21 alice9313 阅读(68) 评论(0) 推荐(0)
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