Hello friends, in this SQL hands-on tutorial, you’ll find 50 tricky SQL queries for practice with their answers. Practicing tricky SQL queries is like sharpening your tools for working with data. SQL skills matter because they help you handle and understand information in databases, something t...
TestDome — This is yet another good platform for interview practice. For practicing your general coding skills, there are many great, modern platforms such as Leetcode but SQL is a skill which tends to get less appreciation — mostly because it's not super sexy, or accessible. So, use SQL...
Alongside towards the end, you will be introduced to SQL interview practice questions and SQL interview questions for testers that will help you to impress your interviewer will your all-around skills. Basic SQL Interview Questions for Freshers 1. What is the difference between a primary key ...
If you are applying for a SQL Server Administration or Development job, you may need to study and practice for the interview. It is a common mistake to go for an interview without studying. In this article, we will show some common SQL interview questions that may help you to secure a g...
Let’s take a quick look at the model we’ll use in this practice. You can expect that in real-life situations (e.g., interview), you’ll have a data model at your disposal. If not, then you’ll have the description of the database (tables and data types + additional description...
We have talked a ton about the tests and quizzes and challenges and problems when you sit for your following SQL interview. But to do that, you should practice the queries and understand the underlying logic and algorithms behind those concepts. ...
The most feared part of the data analyst hiring process is the technical screening. Here are 3 SQL interview questions to practice in 2022.
TestDome— another platform for interview practice. For practicing your general coding skills, there are many great, modern platforms such as Leetcode but SQL is a skill which tends to get less appreciation. Use SQLZoo to practice, test and improve your skills to bring your SQL to the next ...
Here, you will find a collection of real-world Interview questions asked in companies like Google, Oracle, Amazon, and Microsoft, etc. Each question comes with a perfectly written answer inline, saving your interview preparation time. It also covers practice problems to help you understand the ba...
bandwidth you have to practice. If you’re actively interviewing, it's always a good idea to double down on interview questions and refresh some tricky concepts like window functions, subqueries, and common table expressions. Here is aSQL cheat sheetyou can bookmark for quick reference. Keep ...