【071题库】最新OCP-071考试题库解析-第58题
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071题库-第58题、choose the best answer:
Examine the structure of the BOORSTRANSACTIONS table:
Examine the SQL statement:
SQL> SELECT FROM books_transactions WHERE borrowed_date
MEMBER_ID IN ('A101', 'A102');
Which statement is true about the outcome?
A) It displays details only for members who have borrowed before today with RM as TRANSACTION_TYPE.
B) It displays details for members who have borrowed before today's date with either RM as TRANSACTION_TYPE or MEMBER_ID as A101 and A102.
C) It displays details for members who have borrowed before today with RM as TRANSACTION_TYPE and the details for members A101 or A102.
D) It displays details for only members A101 and A102 who have borrowed before today with RM as TRANSACTION_TYPE.
Answer：C
(解析：该题的核心是考查大家对 and 与 or 两个逻辑操作符同时存在时的优先级顺序。其优先级顺序依次是： 所有比较操作符、 NO 、 AND 、 OR)
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