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发布时间：2020-09-21 14:45:00
Choose the best answer.SELECT 1 AS id, 'John' AS first_name, NULL AS commissionINTERSECTFROM DUALWhat is returned upon execution?B) 1 row.D) an error2020年8月份Oracle OCP 071考试新题(-5题)CUUG内部题库，钉钉群(35277291)Oracle金牌名师亲自题库解析.........【阅读全文】
发布时间：2020-09-17 09:42:16
Choose two.A) providing graphical capabilitiesC) providing database transaction controlE) providing update capabilities for data in external files2020年8月份Oracle OCP 071考试新题(-5题)CUUG内部题库，钉钉群(35277291)Oracle金牌名师亲自题库解析......【阅读全文】
发布时间：2020-09-17 09:31:07
Choose two.A) They can be referenced in the WHERE clause of an UPDATE or DELETE statement.C) They can be indexed.E) They can be referenced in the column expression of another virtual column.2020年8月份OCP 071考试新题(-4题)CUUG内部题库，钉钉群(35277291)Oracle金牌名师亲自题库解析.........【阅读全文】
发布时间：2020-09-11 15:37:47
Choose the best answer.Name Null? TypeCUST_ID NOT.........【阅读全文】
