Toggle navigation
GoSkills
Courses
Courses
Train your organization
Supercharge your organization with expert-led business and productivity courses.
Learn more
Learn on your own
Earn certifications for the most in-demand skills with unlimited access to all GoSkills courses.
Learn more
Explore our courses
Browse our award-winning library of 110+ business and productivity courses delivered in bite-sized lessons.
Explore courses
LMS
Course builder
Resources
Pricing
Organization pricing
Individual pricing
Pricing
Search
Sign up
Log in
Log in
Signup
Quiz
1
Beginner
What does the Union operator do?
Allows us to combine the results of two or more Select statements.
Join tables.
Join a Group By and a Where Clause
Don’t know
2
Beginner
Can a Union Operator be used with columns of different data types?
No.
Yes.
It Depends.
Don’t know
3
Beginner
How many columns must each Select Statement have in order to use Union?
Not more than two Columns each.
It Depends on the Statement.
All Select Statements must have the same number of columns.
Don’t know
Back to the top
© 2024 GoSkills Ltd.
Skills for career advancement