Free Practice Test Instructions: FREE test and can be attempted multiple times. 60 Minutes 30 Multiple Choice Questions Fill in the Details to Get Started +91 IN INDIA+44 UK UNITED KINGDOM+1 US UNITED STATES+1 C
In the standard version of both SQL Practice Problems and More SQL Practice Problems, most questions have numerous hints that you can use to move forward in solving the practice problem. They’re very useful if you’re completely stuck on a problem. However, based on numerous requests from re...
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...
To prevent this error, check for any reserved words used out of place in your queries. You can find a complete list of these words in theMySQL manual.If you use a reserved word, change it to something else. If you prefer to use the reserved word, surround it with backticks (`).Thes...
Mastering SQL requires lots of practice. In this article, I took 5 tricky questions and explained the approaches to solve them. The specialty of SQL is that each query can be written in many different ways. Do feel free to share your approaches in the responses. I hope you learned somethin...
Examine the Exhibits given below and answer the questions 81 to 85 that follow. 81. You need to find the managers' name for those employees who earn more than 20000. Which of the following queries will work for getting the required results?
SQL Questions & AnswersSQL Server Express, Encrypting Data, and MoreEdited by Nancy MichellDatabase Sizer ToolsQ Where can I find a database sizer tool that can be used for large SQL Server™ databases?A You should start with the Scalability and Very Large Database Resource Web site . ...
Best Ways to Practice SQL Queries w3resource — This is a great free resource for writing queries. The SQL Murder Mystery — This is another one of my favorites thanks to its fun, interactive environment that has you feeling like a top secret agent. ...
SQL quiz questions. For example: “What is a primary key?” Or “List the different types of JOINs!” That’s a stupid type of SQL tech assessment — as it focuses on theory and not on practice. Still, some companies… you know. Take-home SQL assignment. You get a more complex task...
using an OnlineSQL Compilercan help you practice queries in real-time, making learning SQL more accessible and efficient. Once you know all the features and commands SQL offers you can confidently address real-life data problems. Start your exploration into SQL today and leverage its full power ...