#SQLQuery

N-gated Hacker Newsngate
2026-03-10

Felix Krause just turned his life into a SQL query. 🍽️🤖 Why bother with when you can log your and get validation from a database? 🚀📊 Next up: a neural network to judge your caloric intake. 😂🔍
howisfelix.today/

PrecisionSQLPrecisionSQL
2026-02-09

Why does this SQL json index fail?

Why does this SQL JSON index fail in production. The SQL code stores JSON as text and queries with LIKE, so indexes are never used. In SQL services this becomes a performance trap.

youtube.com/watch?v=HWFUhh6cj0M

PrecisionSQLPrecisionSQL
2026-01-29

What's wrong with this SQL order by?

What's wrong with this SQL order by in a search endpoint. The SQL code interpolates a user supplied sort field, enabling injection. In SQL backends this exposes data and crashes queries.

youtube.com/watch?v=enGz-KrHnx4

Ebokifyebokify
2025-11-17

SQL joins are the backbone of relational data analysis.

They help combine tables to extract meaningful insights — from inner joins that show matches to outer joins that reveal unmatched data.

Mastering joins turns raw data into relationships that tell real business stories.

📕 ebokify.com/data-analysis

Jimmy Angelakos :postgresql:vyruss@fosstodon.org
2025-11-11

What's the most sophisticated query you've written to solve a real-world problem? How did it take advantage of PostgreSQL's capabilities?

#SQL #Postgres #PostgreSQL #OpenSource #Database #SQLquery #Development

2025-04-19

SQL Table Data Retrieval: Handling Tables With and Without Primary Keys
Learn efficient SQL Table Data Retrieval techniques for SQL Server, handling tables with & without primary keys. Master comprehensive column metadata retrieval for robust data analysis!
tech-champion.com/database/sql
...

2025-03-29

SQL Table Data Retrieval: Handling Tables With and Without Primary Keys
Learn efficient SQL Table Data Retrieval techniques for SQL Server, handling tables with & without primary keys. Master comprehensive column metadata retrieval for robust data analysis!
tech-champion.com/database/sql
...

Sascha Stumplersasstu@hessen.social
2025-02-27

How can I check the version and edition of SQL Server installed? dlvr.it/TJDRBX via PlanetPowerShell #SQLServer #DatabaseManagement #DataAnalysis #SQLQuery

2025-02-20

DB2 SQL Select Query: Retrieving the Most Recent Transaction for Each Account and Type
Learn efficient DB2 SQL Select Query techniques using window functions like ROW_NUMBER() for optimal performance. Master large dataset handling & avoid inefficient self-joins!
tech-champion.com/database/db2

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