047-q1,

來源:互聯網
上載者:User

047-q1,


QUESTION 1

 You need to load information about new customers 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 should 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



相關關鍵詞:
相關文章

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.