how to use database return many field and insert in a object

how to use database return many field and insert in a object(like any Collection ,Array,Hashtable etc)

SELECT a.HD, a.SH, a.TRK, a.TGT, a.REQT, a.ID, a.BLOG, a.OWNER, a.SUBJECT, a.MODIFIED, a.TOKEN, a.STATUS, a.DOCTYPE, a.FILENAME, a.ISPUBLIC, a.LASTMSG, a.EXPIRY, a.EXPIRY1
FROM DOC a
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