Try looking at this, it basically points you to the dataset and Query Service.
Here is some starter SQL, but you may need to reconsider your output data structure.
select identityMap,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.ACTIVITY.NAME,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.ACTIVITY._REPO.ETAG,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.ACTIVITY.ID,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.PLACEMENT.NAME,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.PLACEMENT.CHANNELID,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.PLACEMENT._REPO.ETAG,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.PLACEMENT.ID,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.FALLBACK.NAME,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.FALLBACK._REPO.ETAG,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.FALLBACK.ID,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.SELECTIONS.NAME,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.SELECTIONS._REPO.ETAG,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.SELECTIONS.ID,
_EXPERIENCE.DECISIONING.PROPOSITIONDETAILS.SELECTIONS.SCORE
from ode_decisionevents_xxxx
where _ACP_BATCHID = '[guid]'
limit 10