试题详情
- 多项选择题 Examine the SQL statements that creates ORDERS table:
For which columns would an index be automatically created when you execute the above SQL statement? （） A、SER_NO
B、ORDER_ID
C、STATUS
D、PROD_ID
E、ORD_TOTAL
F、Composite index on ORDER_ID and ORDER_DATE
- A,F
关注下方微信公众号，在线模考后查看
热门试题
- Which two̳
- Which three tasks ca
- View the E
- Which two̳
- At the e
- You need to maintai
- What is t
- Which view should a
- WhenstartingupyourAS
- A web app
- The STUDENT_GRADES
- Which two̳
- PL/SQL很容易检测和处理预定义和用户
- Which two̳
- 查询出EMP表中1982年及以后入职的员
- Given： 11.String&en
- The following&
- Which two̳
- Which three statemen
- An online tablespace