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Hopefully quick SQL question - globally updating a field value

Thread began 2/22/2017 5:32 pm by iain331081 | Last modified 2/23/2017 12:13 pm by Ray Borduin | 80 views | 1 replies |

iain331081

Hopefully quick SQL question - globally updating a field value

If I have two fields, fieldA and fieldB, where fieldA is populated, but fieldB is not, I know I can update fieldB globally to equal the value of fieldA, using:

UPDATE table
SET fieldA = fieldB

But how can I do the same, but add a prefix to the value of fieldB?

My use case is that fieldA contains a filename, and I would like to globally update fieldB to equal the full path to the file as well as the filename

So if fieldA = 'my_image.jpg' I want to globally update fieldB to equal 'http://www.mywebsite.com/images/my_image.jpg'.

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iain331081

Found it:

UPDATE table
SET fieldA = CONCAT ('http://www.mywebsite.com/images/', fieldB)

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