Oracle Certification Exam Question: Download Questions PDF
What will be the output for this query:
select 1 from dual minus select a from dual;
![Oracle Certification Interview Answer Oracle Certification Interview Question](https://globalguideline.com/public/images/interview/30.png)
Answer:
This will produce Error:
Expression must have same datatype as corresponding expression
Expression must have same datatype as corresponding expression
Download Oracle Certification Interview Questions And Answers
PDF