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【2020年8月】Oracle OCP 071考试新题(-7题)CUUG内部题库 Choose two. Examine the description of the CUSTOMERS table: Name Null? Type CUSTOMER_ID NOT NULL NUMBER(38) C 阅读全文
posted @ 2020-09-21 14:57
cnblogs_5359
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摘要：
【2020年8月】Oracle OCP 071考试新题(-6题)CUUG内部题库 Choose the best answer. Examine this statement: SELECT 1 AS id, 'John' AS first_name, NULL AS commission FROM 阅读全文
posted @ 2020-09-21 14:45
cnblogs_5359
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