It’s always a good idea to test your queries on the actual database you’re using. Check the documentation for your database system if you run into any issues or need to make adjustments. If you have questions on any query, feel free to ask for help. We’ll guide you through it. ...
Practical SQL Query Interview Questions (SQL Server Queries examples with answers) In this part, we will see SQL practice questions which contain both complex SQL queries interview questions and basic SQL Interview Questions. Let’s see important SQL queries for interview 76. How to get unique rec...
During the technical interview, we can face some query reading questions to understand our SQL query reading capabilities. For this reason, we need to make some SQL practice to improve our query reading skills. For example, the following question, which seems very simple but contains a bit of...
This post will undoubtedly give you some insights if you’re looking for questions and answers to use while you prepare for a SQL interview. In a job interview for a data engineer, data analyst,database administrator, etc., the following questions should be expected. What are the basic SQL ...
Intermediate SQL interview questions with detailed answers: 1. Find Customer Order Counts Question: Write a query to list customers who have placed more than 5 orders. Use the customers and orders tables. Answer: SELECT c.customer_id, c.customer_name, COUNT(o.order_id) AS order_count ...
SQL Interview Questions More on SQLWhy SQLZoo Is the Best Way to Practice SQL10. SQL Challenge — Find the Third-Highest Employee Salary in the TableTable: EmployeeImage created by the author. Answer — SQL QueryWITH CTE AS ( SELECT DISTINCT TOP 3 salary FROM Employee ORDER BY salary DESC...
Frequently Asked SQL Interview Questions 1. What is a Database? Adatabase refers to a structured data collection that can be stored, managed, and retrieved from a remote or local computer system. Databases can become pretty complex and are built with a fixed design and modeling approach. ...
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 ...
Click Here to get 20 Interview Questions for Tech Mahindra…. 21.how to write sql query for the below scenario I/p:ORACLE O/p: O R A C L E i.e, splitting into multiple columns a string using sql. Answer: Select Substr(‘ORACLE’,Level,1) From Dual ...
SQL or Structured Query Language helps in managing data in data management systems. There is a high demand for SQL programmers in the market. However, recruiters are looking for skilled and knowledgeable SQL developers and therefore, it is imperative to prepare SQL interview questions and answers ...