超值优惠:原价1200元阿里云ACP报名授权码只要900元
本站ACP报名授权码适合以下考试:
- 云计算ACP认证
- 大数据ACP认证
- 云安全ACP认证
每日练习:大数据ACP认证考试真题
（单选题）DRDS中的表T的分库分表键分别为col1和col2，则下列语句中哪个不会进行全表扫描？
- select* from T where col1=1 or col2=2
- select* from T where col2=2
- select* from T where col1=1
- select* from T where col1=1 and col2=2
超高命中率！阿里云大数据ACP认证考试真题测试 看看你能得几分
真题解析:答案及ACP真题解析
点击显示正确答案
答案: D
数据分析:本ACP真题答题统计
| select* from T where col1=1 or col2=2 |
1 / 25% answers |
| select* from T where col2=2 |
0 / 0% answers |
| select* from T where col1=1 |
0 / 0% answers |
| select* from T where col1=1 and col2=2 |
3 / 75% answers |