Map/Reduce jobs are generally the best approach for working with every row in a table. You can read all about it here:
I've never tried doing the specific scenario you're describing, but seems like it should work; you could change the example in 7.2.2 to Put your new qualifier, and Delete your old one. Try it, and if you're stumped, post a more detailed question about it here.
On Apr 24, 2012, at 1:26 AM, Amit Sela wrote:
I'm trying to change the qualifiers of ALL of the entries in my table.
Until now my qualifiers had a header, and now I wanna get rid of it - this
actually means removing the first 5 bytes.
Are there any suggestions about the best way to do this for the whole table