FAQ: Set Operations - Union

[wiki-bot]

This community-built FAQ covers the “Union” exercise from the lesson “Set Operations”.

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This exercise can be found in the following Codecademy content:

SQL: Table Transformation

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[dkirkeberg]

It might be helpful to add a column to each of the tables so you can see where each brand came from, either the legacy table or the new table

SELECT brand, ‘l’ as ‘table_source’ FROM legacy_products
UNION
SELECT brand, ‘n’ as ‘table_source’ FROM new_products;

this gets the data

Query Results

brand	table_source
	l
	n
!it Jeans	n
12XLShop Inc.	l
1826	n