【OCP-12c】CUUG 071题库考试原题及答案解析（17）

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A) DELETE
FROM order_items
WHERE order_id IN (SELECT order_id
FROM orders
WHERE order_status in (0,1));

B) DELETE *
FROM order_items
WHERE order_id IN (SELECT order_id
FROM orders
WHERE order_status IN (0,1));

C) DELETE
FROM (SELECT * FROM order_items i,orders o
WHERE i.order_id = o.order id AND order_status IN (0,1));

D) DELETE FROM order_items i
WHERE order_id = (SELECT order_id FROM orders o
WHERE i.order_id = o.order_id AND order_status IN (0,1));
Answer：AC
（解析：B 和 C 语法不对，可以实验，都会报错）

【OCP-12c】CUUG 071题库考试原题及答案解析（17）

标签：rom   item   答案   items   min   where   hose   hat   cuug   

原文地址：http://blog.51cto.com/13854012/2351639