--- title: I Know a Query’s Gonna Be Bad When… #TSQL2sday | daily.dev description: A short opinion piece identifying a classic warning sign of a problematic SQL query: an inline comment changelog listing dates and author initials. The author... canonical: https://daily.dev/posts/i-know-a-query-s-gonna-be-bad-when-tsql2sday-ngvz4dujq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: I Know a Query’s Gonna Be Bad When… #TSQL2sday | daily.dev og:description: A short opinion piece identifying a classic warning sign of a problematic SQL query: an inline comment changelog listing dates and author initials. The author... og:url: https://daily.dev/posts/i-know-a-query-s-gonna-be-bad-when-tsql2sday-ngvz4dujq og:image: https://api.daily.dev/og/posts/NgVZ4dUJQ.png og:image:alt: I Know a Query’s Gonna Be Bad When… #TSQL2sday og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # I Know a Query’s Gonna Be Bad When… #TSQL2sday **[Brent Ozar](https://daily.dev/sources/brentozar)** · 3 min read · 0 upvotes · 0 comments ## Summary A short opinion piece identifying a classic warning sign of a problematic SQL query: an inline comment changelog listing dates and author initials. The author argues this pattern signals technical debt, lack of proper change control, copy-paste-driven development, and a codebase nobody dares to refactor. The post uses the T-SQL Tuesday #200 prompt (signs a query is going to be bad) as its framing, and ends on an optimistic note that teams stuck in these patterns are often secretly ready for change. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Beautiful T-SQL Queries: Three Could Delete the Company](https://daily.dev/posts/beautiful-t-sql-queries-three-could-delete-the-company-ni51yxeeb) · SQL Authority · 36 upvotes · 7 comments - [Most of you calling yourselves “senior developers” are actually just professional litterers](https://daily.dev/posts/most-of-you-calling-yourselves-senior-developers-are-actually-just-professional-litterers-4qqappjr4) · Medium · 0 upvotes · 0 comments - [There's No Limit to How Bad Code Can Get](https://daily.dev/posts/there-s-no-limit-to-how-bad-code-can-get-nsoryvawm) · Lobsters · 0 upvotes · 0 comments --- Tags: [#microsoft-sql-server](https://daily.dev/tags/microsoft-sql-server), [#technical-debt](https://daily.dev/tags/technical-debt) [View this post on daily.dev](https://daily.dev/posts/i-know-a-query-s-gonna-be-bad-when-tsql2sday-ngvz4dujq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"I Know a Query’s Gonna Be Bad When… #TSQL2sday","url":"https://daily.dev/posts/i-know-a-query-s-gonna-be-bad-when-tsql2sday-ngvz4dujq","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/i-know-a-query-s-gonna-be-bad-when-tsql2sday-ngvz4dujq"},"datePublished":"2026-07-07T13:19:18.291Z","dateModified":"2026-07-07T13:21:28.077Z","description":"A short opinion piece identifying a classic warning sign of a problematic SQL query: an inline comment changelog listing dates and author initials. 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