--- title: LinkedIn Live: Fixing Bad SQL in PostgreSQL with Jimmy... description: A recording of a LinkedIn Live session focused on identifying and fixing common SQL anti-patterns in PostgreSQL. Based on Chapter 2 of the book 'PostgreSQL... canonical: https://daily.dev/posts/linkedin-live-fixing-bad-sql-in-postgresql-with-jimmy-angelakos-xa5xmaz0z twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: LinkedIn Live: Fixing Bad SQL in PostgreSQL with Jimmy Angelakos | daily.dev og:description: A recording of a LinkedIn Live session focused on identifying and fixing common SQL anti-patterns in PostgreSQL. Based on Chapter 2 of the book 'PostgreSQL... og:url: https://daily.dev/posts/linkedin-live-fixing-bad-sql-in-postgresql-with-jimmy-angelakos-xa5xmaz0z og:image: https://api.daily.dev/og/posts/Xa5xmaz0Z.png og:image:alt: LinkedIn Live: Fixing Bad SQL in PostgreSQL with Jimmy Angelakos 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. # LinkedIn Live: Fixing Bad SQL in PostgreSQL with Jimmy Angelakos **[Planet PostgreSQL](https://daily.dev/sources/planet-postgresql)** · 2 min read · 0 upvotes · 0 comments ## Summary A recording of a LinkedIn Live session focused on identifying and fixing common SQL anti-patterns in PostgreSQL. Based on Chapter 2 of the book 'PostgreSQL Mistakes and How to Avoid Them' (Manning), the session covers correctness pitfalls and performance traps that often slip through code review. Each example shows a problematic query, explains why it causes incorrect results or slow execution, and walks through a practical refactor that often enables proper index usage. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#database](https://daily.dev/tags/database), [#sql](https://daily.dev/tags/sql), [#postgresql](https://daily.dev/tags/postgresql) [View this post on daily.dev](https://daily.dev/posts/linkedin-live-fixing-bad-sql-in-postgresql-with-jimmy-angelakos-xa5xmaz0z) ```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":"LinkedIn Live: Fixing Bad SQL in PostgreSQL with Jimmy Angelakos","url":"https://daily.dev/posts/linkedin-live-fixing-bad-sql-in-postgresql-with-jimmy-angelakos-xa5xmaz0z","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/linkedin-live-fixing-bad-sql-in-postgresql-with-jimmy-angelakos-xa5xmaz0z"},"datePublished":"2026-07-14T19:48:16.800Z","dateModified":"2026-07-14T20:08:41.564Z","description":"A recording of a LinkedIn Live session focused on identifying and fixing common SQL anti-patterns in PostgreSQL. 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