047-q1,

Source: Internet
Author: User

047-q1,
Zookeeper

QUESTION 1

You need to load information about new MERs from the NEW_CUST table into the tables CUST and CUST_SPECIAL. if a new customer has acredit limit greater than 10,000, then the details have to be inserted into CUST_SPECIAL.All new customer details have to be inserted into the CUST table. which technique shocould be used to load the data most efficiently?


A. external table

B. the MERGE command

C. the multitable INSERTcommand

D. INSERTusing WITH CHECK OPTION


Answer: C



Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.