Soniya kaushik·Oct 30Think Like a SQL Developer: 15 Real-World Database Challenges15 SQL Interview Case Studies: DDL, Constraints, Keys & Foreign Key Referential Actions BY SONIYA KAUSHIK
Kavinda Thennakoon·Jan 13From Raw Data to Insights: A 30-Day SQL Journey for Aspiring Data EngineersIntroduction
S the Data Nerd·Dec 29, 2025SQL Advent Calendar Day 24Last day of this challenge! It is so bittersweet. I am very grateful to have stumbled upon this advent calendar challenge and I got to make…
S the Data Nerd·Dec 28, 2025SQL Advent Calendar Day 23Today’s question will help us analyze top gingerbread house builders.
S the Data Nerd·Dec 27, 2025SQL Advent Calendar Day 22We will be looking at: The penguins are signing up for a community sleigh ride, but the organizers need a list of everyone who did NOT…
S the Data Nerd·Dec 26, 2025SQL Advent Calendar Day 21Today we will be looking at running totals and here is our question: The Snow Queen hosts nightly fireside chats and records how many…
S the Data Nerd·Dec 25, 2025SQL Advent Calendar Day 20Today’s question is focused on hot cocoa break logs ☕️
S the Data Nerd·Dec 24, 2025SQL Advent Calendar Day 19Today we will be taking a look at the gift wrap paper usage.
S the Data Nerd·Dec 23, 2025SQL Advent Calendar Day 18Today we will be looking at progress tracking over 12 days of data and this question is marked as Hard, so I am very excited to dive in!
S the Data Nerd·Dec 22, 2025SQL Advent Calendar Day 17Today’s question is marked as Medium and will be a nice change from yesterday’s Easy question. We will be looking at evening task…
