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Want to write SQL that looks like it was written by a senior developer? In this video, I'll show you 7 simple tricks that will instantly ...

My Live SQL Bootcamp is back - the first one in over a year! 8 live sessions, Beginner to Advanced, starting Sept 5. Seats are ...

Welcome to Day 2 of the SQL Advent Calendar! Today we're unwrapping the magic of COUNT() — one of the simplest yet most ...

This one SQL trick saved me 4 hours of my week — and it's not the only one. In this video I break down 10 Postgres-first SQL ...

This presentation introduces two helpful SQL features in InterSystems IRIS: Common Table Expressions (CTEs) and Limit/Offset.

Learn 5 practical SQL features that can make your queries cleaner, easier to read, and easier to maintain. In this PostgreSQL ...

In this video I show you 4 powerful SQL tricks every data engineer should know CTEs, CASE WHEN, COALESCE, and ...

Today's SQL Advent surprise is STRING_AGG() – one of the most powerful and underrated functions in SQL Server. In this video ...

SQL Advent Calendar — Day 4 Today we unpack one of the most common SQL mistakes: Why a LEFT JOIN + WHERE can ...

Learn 5 simple SQL tricks that every beginner should know ✓ IS NULL ✓ SELECT DISTINCT ✓ COUNT(*) ✓ WHERE clause ...

Most candidates fail this real Meta SQL interview question - not because they can't write SQL, but because they reach for the ...

DataCamp | SQL Associate Certification https://datacamp.pxf.io/e1VA7r ▻ DataCamp | AI Native SQL Course ...

Learn more about the Information Schema Tables. This is where database details about tables live — not the data itself. Must Do ...

Learn This SQL Trick and easily rename tables and column names. Must Do Data Analytics Certifications - Google Data Analytics ...

Most developers hit a slow query and add an index. That's not SQL performance tuning — that's guessing. This tutorial covers 7 ...

SQL Tricks | Pivot and Unpivot | Rows To Columns | Columns To Rows Want more guided learning, practice packs, and deep-dive ...

SQL Advent Calendar — Day 6 Today's trick/trap: REPLACE vs TRANSLATE in SQL Server. Advent Challenge Solve today's ...