题目
单项选择题
Question at position 4 What does the following SQL statement do? SELECT * From Customer WHERE Cust_Type = "Best"Selects all the fields from the Customer table for each row with a customer labeled "Best"Selects fields with a "*" in them from the Customer tableSelects the "*" field from the Customer table for each row with a customer labeled "Best" Selects all the fields from the Customer table for each row with a customer labeled "*"
选项
A.Selects all the fields from the Customer table for each row with a customer labeled "Best"
B.Selects fields with a "*" in them from the Customer table
C.Selects the "*" field from the Customer table for each row with a customer labeled "Best"
D.Selects all the fields from the Customer table for each row with a customer labeled "*"
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标准答案
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思路分析
The question asks what the SQL statement SELECT * FROM Customer WHERE Cust_Type = "Best" does.
Option 1: 'Selects all the fields from the Customer table for each row with a customer labeled "Best"' This is accurate because SELECT * means return all columns, and the WHERE clau......Login to view full explanation登录即可查看完整答案
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