Answered step by step
Verified Expert Solution
Link Copied!

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 DEPARTMENT_ID,DEPARTMENT NAME,MANAGER ID,LOCATION ID FROM DEPARTMENTS;Use the following definition of the departments table:COLUMN_NAMEDATA_TYPEDEPARTMENT ID NUMBER(4,0)NoDEPARTMENT NAME VARCHAR2(30 BYTE)NoMANAGER ID NUMBER(6,0)YesLOCATION ID NUMBER(4,0)Yes. 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

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

More Books

Students also viewed these Databases questions

Question

Write short notes on Interviews.

Answered: 1 week ago

Question

3. Identify challenges to good listening and their remedies

Answered: 1 week ago

Question

4. Identify ethical factors in the listening process

Answered: 1 week ago