Test SQL - 10 podchwytliwych pytań rekrutacyjnych

✅An SQL interview can go many ways, but you'll always be tested on your technical knowledge through SQL interview questions or an SQL writing test. In today's video, I'll show you 10 tough SQL questions you probably don't know the answers to :) Register for the "SQL Master" course: https://www.mistrzsql.pl/ 🎁 GET GIFTS 1) SQL Roadmap in PDF: https://promo.mistrzsql.pl/ 2) A book on how to become a database developer: https://promo.podstawybazdanych.pl/ 3) List of the most common PL/SQL programmer mistakes: https://promo.plsql.pl/ == ⏱️ Episode schedule:== 00:00 Episode introduction 01:32 SQL test - question 1 02:52 SQL test - question 2 04:55 SQL test - question 3 06:31 SQL test - question 4 08:12 SQL test - question 5 09:03 SQL test - question 6 09:48 SQL test - question 7 10:25 SQL test - question 8 11:21 SQL test - question 9 11:53 SQL test - question 10 13:18 Episode summary == 🔗 Useful links from the recording:== 🏷️Database transactions:    • Transakcje SQL w Oracle, Sql Server i Post...   == 👌 Recommended viewing:== Joining tables:    • Łączenie tabel SQL, czyli jak używać instr...   SQL normalization:    • Normalizacja Baz Danych Dla Początkujących...   #bazodanowiec == 👨‍💻 Get to know less better:== My website: https://www.nieinformatyk.pl/ Facebook:   / nieinformatyk   LinkedIn:   / darekbutkiewicz   Instagram:   / nieinformatyk   Twitter:   / nieinformatyk   Subscribe to my channel: https://www.youtube.com/nieinformatyk... 🏁 Welcome to my channel :) I have been a database programmer and data warehouse developer for over 7 years. (ETL/ELT). On this channel, I share my knowledge of relational databases (RDBMS), SQL query language, and data warehouses in a simple and understandable way. If you're looking to gain practical knowledge in this area, you've come to the right place. 🚨 More information about databases can be found at [https://www.nieinformatyk.pl](https://www.nieinformatyk.pl/) 📧 Have a question, request, or suggestion? Feel free to contact me at [[email protected]](mailto:[email protected])