[Koha] Report help needed 999$c

[Elaine Bradtke]

 I've got something that extracts the biblio numbers from the 999c. Is
there any way to ask it to only show the ones that contain multiple 999c?


SELECT biblionumber, ExtractValue(marcxml,
'//datafield[@tag="999"]/subfield[@code="c"]') AS comp FROM
biblioitems

-- 
Elaine Bradtke
Data Wrangler
VWML
English Folk Dance and Song Society | http://www.efdss.org
Cecil Sharp House, 2 Regent's Park Road, London NW1 7AY
Tel    +44 (0) 20 7485 2206 (This number is for the English Folk Dance and
Song Society in London, England. If you wish to phone me personally, send
an e-mail first. I work off site)
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Registered Company No. 297142
Charity Registered in England and Wales No. 305999
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"Writing about music is like dancing about architecture"
--Elvis Costello (Musician magazine No. 60 (October 1983), p. 52)