Creating SQL questions in CodeSignal
In this episode of Measuring Dev Skills, Pat and Michael create some realistic examples of SQL questions. These questions use actual SQL tables for automated testing so we can measure …
Create a SQL/database question – CodeSignal Knowledge Base
Feb 5, 2025 · Assess candidates' database skills with SQL questions. These questions can be configured for multiple languages: MySQL , PostgreSQL , and/or Microsoft SQL . This article …
CodeSignal - Discover and Develop In-Demand Skills
Build exceptional teams with CodeSignal’s AI-powered learning and hiring solutions. Save time and resources when hiring for tech or business, upskilling, and more.
How do I practice coding questions on CodeSignal?
Feb 28, 2025 · Note: Your code will be reset every 2 weeks and every 2 weeks you will have a blank slate for each question you've worked on. For any question, that you have already …
Testing relational database skills - CodeSignal
Learn how to test relational database skills effectively with CodeSignal. Learn how visualization 📊 aids candidates and standardizes testing.
28 SQL interview questions and answers from beginner to senior …
Prepare for your next SQL interview with key questions and answers. Includes Basic & advanced topics, data analyst & engineer questions, and more.
Journey into SQL with Taylor Swift | CodeSignal Learn
Kick off your data analysis journey by diving into SQL, guided by the music of Taylor Swift's discography. This course is designed to help you ask the right questions to a database, find …
Navigating the SQL SELECT Statement | CodeSignal Learn
In this lesson, we explored the SELECT statement in SQL, which is essential for retrieving data from a database. We began with retrieving all columns using the asterisk symbol and then …
Intro to SQL with PostgreSQL | CodeSignal Learn
Kick off your data analysis journey by diving into SQL, leveraging the powerful features of PostgreSQL. This course is designed to help you ask the right questions to a database, find …
Complex Queries and Conditional Logic | CodeSignal Learn
You've mastered the use of SQL logical and conditional operators and elevated your data analysis with subqueries. In this unit, we're diving into complex queries and conditional logic — an …