皮皮学，免费搜题
登录
搜题
【简答题】
给定如下代码: CREATE TABLE tb_account(num INT,amount DECIMAL(10,2)); CREATE TRIGGER tr_acct AFTER INSERT ON tb_account FOR EACH ROW SET@sum=@sum+NEW.amount; 表和触发器成功创建后,执行如下命令: SET@sum=0.00; INSERT INTO tb_account VALUES(1,7.00); INSERT INTO tb_account VALUES(2,3.00); 上述代码执行成功后@sum的值为()。 A. 10.00 B. 3.00 C. 7.00 D. 0.00
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】阅读理解。 Koeler took special notice of the tall woman who was nicely dressed, but she was wearing ugly, thick-soled (厚底) shoes. Now the woman was taken to a room for questioning. There it was found that ...
【单选题】________ in a red dress, she was easy to _______ in the big crowd.
A.
Being dressed; pick out
B.
Dressed; pick out
C.
Dressed; be picked out
D.
Having dressed; pick out
【单选题】Judy_______ like a queen in her birthday party.
A.
dressed up
B.
look
C.
act
D.
dressed in
相关题目：
参考解析：
知识点：
题目纠错 0
发布
