Posted by Steve on 10/07/05 16:58

> I have a column `cover` VARCHAR(10) that lists a cover charge in the
> form of "$x.00", where x is the price of admission. I'd like to convert
> the column to INT UNSIGNED, so that x(a number) is listed, not "$x.00".
> Is this possible?
> Thousands of entries are involved.

First create a new column, say `cover_int` as INT UNSIGNED

Then execute this:

UPDATE `mytable`
SET `cover_int` =
CONVERT(SUBSTRING(`cover`,2,LENGTH(`cover`)-1),UNSIGNED)

Confirm that the new column looks correct, then drop (or rename) the
old column and rename the new one to `cover`.

---
Steve

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