oracle ocp 19c考题，科目082考试题(18)-unused column
摘要：
18、Evaluate the following ALTER TABLEstatement: ALTER TABLE orders SET UNUSED (order_date); Which statement is true? A. After executing the ALTER TABL 阅读全文
posted @ 2022-01-21 17:14 alice9313 阅读(65) 评论(0) 推荐(0)
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