#sqlquiz
Live, measured metrics for the hashtag #sqlquiz from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #sqlquiz
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.online (Mastodon public tags API) · fetched 2026-09-30 15:08 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-09-30 15:08 UTCNo related tags with measured usage found for #sqlquiz.
Live pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-30 15:08 UTCEverything below is measured over the latest 40 public posts (spanning ~1698 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (40)
Avg boosts / post: 0
Top of the latest posts
Subquery Returns Multiple Rows In Comparison?! Using subquery that returns multiple rows in = comparison crashes! SQL doesn't know which row to use. This breaks subqueries! Watch! #sql #sqltricks #database #sqltutorial #subqueries #multiple
0.1 + 0.2 In SQL = 0.30000000000000004?! SQL floating point precision is broken! Adding 0.1 + 0.2 creates a number with precision errors. This breaks financial calculations! Watch! #sql #sqltricks #database #sqltutorial #floatingpoint #prec
HAVING Filters After GROUP BY?! HAVING filters GROUPS, WHERE filters ROWS! HAVING runs after aggregation, WHERE runs before. This order matters and will break your logic! #sql #sqltricks #having #where #groupby #sqlweird #sqlquiz #codingcha
#sqlquiz across platforms
every network with a public tag surfaceFollow #sqlquiz straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/sqlquiz