Answered step by step
Verified Expert Solution
Question
1 Approved Answer
What is true about the following query:select * from departments minusSELECT DEPARTMENT _ ID , DEPARTMENT NAME,MANAGER ID , LOCATION ID FROM DEPARTMENTS;Use the following
What is true about the following query:select from departments minusSELECT DEPARTMENTIDDEPARTMENT NAME,MANAGER IDLOCATION ID FROM DEPARTMENTS;Use the following definition of the departments table:COLUMNNAMEDATATYPEDEPARTMENT ID NUMBERNoDEPARTMENT NAME VARCHAR BYTENoMANAGER ID NUMBERYesLOCATION ID NUMBERYes The query returns all the departments without duplicates.Query executes successfullyQuery returns an empty result setThe execution throws an error because there is a mismatch between the columns of the subqueries.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started