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Combined display of all available logs of Helpful. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 13:18, 5 May 2022 Helpful talk contribs deleted page Relational database and SQL notes (content was: "#REDIRECT Relational and non-relational database notes" (and the only contributor was "Helpful"))
- 14:49, 30 October 2021 Helpful talk contribs moved page Relational database and SQL notes to Relational and non-relational database notes