mysql - add the same thing to a table column by sql command -

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there table named test. in it. there columns this:

001.jpg   ... 999.jpg

now want use sql command add url before them. http://www.example.com/xxx/001.jpg.....is there way this? thank you.

supposing field called url, simple update query do:

update test set url = concat("http://", url);

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