Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind SQL UNION ALL Keyword?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ City FROM CustomersUnion All
The UNION ALL command combines the result set of two or more SELECT statements (allows duplicate values).
The following SQL statement returns the cities (duplicate values also) from both the "Customers" and the "Suppliers" table:
Example
SELECT City FROM Customers
UNION ALL
SELECT City FROM Suppliers
ORDER BY City;