#sqltutorial

Live, measured metrics for the hashtag #sqltutorial from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #sqltutorial

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.

$10.85/ year · 11-character #name
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0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 09:06 UTC
0
07-21
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-27 09:06 UTC

No related tags with measured usage found for #sqltutorial.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 09:06 UTC

Everything below is measured over the latest 40 public posts (spanning ~2250 hours).

Posting hours (UTC) — busiest: 16:00

00:0012:0023:00

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

    PrecisionSQL@[email protected]♥ 0↻ 02026-03-13 10:41 UTCView post →

  • 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

    PrecisionSQL@[email protected]♥ 0↻ 02026-02-25 16:40 UTCView post →

  • COUNT(*) vs COUNT(column) Are DIFFERENT?! COUNT(*) and COUNT(column) behave completely differently with NULLs! One counts NULLs, one doesn't. This breaks aggregate logic! Watch! #sql #sqltricks #database #sqltutorial #count #aggregate #sqlq

    PrecisionSQL@[email protected]♥ 0↻ 02026-02-12 16:41 UTCView post →

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/sqltutorial