Oracle
1Z0-061 · Question #129
1Z0-061 Question #129: Real Exam Question with Answer & Explanation
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Question
View the Exhibit and examine the structure of the CUSTOMERS and CUST_HISTORY tables. The CUSTOMERS table contains the current location of all currently active customers. The CUST_HISTORY table stores historical details relating to any changes in the location of all current as well as previous customers who are no longer active with the company. You need to find those customers who have never changed their address. Which SET operator would you use to get the required output?
Exhibit
Options
- AINTERSECT
- BUNION ALL
- CMINUS
- DUNION
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