Talk:Drill down

Origin of the Term
At the time of writing, this article gives a single (broken) reference to a prior use of the term Drill-down from 2001 by "SAP for MIT...". Although I cannot produce a reliable citation, the term was in common use from the early 90's in the fields of multi-dimensional OLAP databases and spreadsheets. SAP probably took ownership of some of the associated products but the term is definitely older than 2001.

The term was also supplemented by Drill-up (returning to a more summarised level) and Drill-across (typically looking at the same level of detail for alternative fields of a non-visible "page" dimension). An example of the latter being in a 2-D spreadsheet view, say examining product-sales by time, but then paging to another location or department to see their equivalent 2-D page.

The term Drill-through was also used in the context of a Drill-down operation then went from a data warehouse to the underlying transaction-level data. The warehouse would typically contain highly-summarised and cleansed data for reporting and analysis, whereas the transaction-level data would typically be the original raw data in a relational database. TonyP (talk) 12:31, 13 May 2013 (UTC)

External links modified
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Proposed for deletion
Drill down was proposed for deletion on March 26 2020 because of the following concern: "The article has seen low amounts of edits, and the only source provided is a glossary of the term. Maybe this would be better suited on a different MediaWiki project". I don't believe that a low amount of edits is a valid reason for deletion. That there is only one source is not correct. The article states two sources. I want to discuss the deletion on the "March 26 2020 deletion log Articles_for_deletion" page, but could not find it, so I state my concern here. The page was looked at 40 times a day on average for the last 90 days. Speaking for myself I find this page handy. As described in the Proposed_deletion page I deleted the proposal. --FlippyFlink (talk) 07:50, 27 March 2020 (UTC)
 * I proposed the article be deleted as "Drill Down" is a turn of phrase used in computing, and would be better suited on Wiktionary as opposed to Wikipedia. The low amount of edits was meant more to the fact that the article is still a stub, and lacks a notable source. The MIT glossary is simply not reliable enough to make this notable for an article, but it's good enough for wiktionary. I will submit the article for deletion via AfD at half past the hour.  Thepenguin9 (talk''') 09:05, 27 March 2020 (UTC)