How to select several hard coded SQL rows- How to select several hardcoded SQL rows?

problem ：

If you execute this query If you execute this query

SELECT 'test-a1' AS name1, 'test-a2' AS name2

the result will be a one row-selection with two columns having these values: The result will be a single row selection of two columns with the following values ：

test-a1, test-a2

How can I modify the above query to have a selection with several rows, eg How to modify the above query to select multiple rows , for example

test-a1, test-a2test-b1, test-b2test-c1, test-c2

I know how to do this with UNION but I feel that there exists a more simple way to do it. I know how to use UNION Do this , But I think there is a simpler way to do this .

PS. Note appended .Sorry for such a basic question, it is very hard to google it. I'm sorry , Such a basic problem , It's hard to Google .

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Solution ：

Reference resources ： https://stackoom.com/en/question/Qcmx