If you’re planning to make a career in the database domain, then you have landed at the right place. This blog on top SQL interview questions with answers has the most asked interview questions from top MNCs like Google, Microsoft, and Meta to help you crack your next SQL interview. ...
Frequently Asked SQL Interview Questions1. What is a Database?A database 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. ...
Most Frequently Asked PL SQL Interview Questions 1. Compare SQL and PL/SQL. 2. What is PL/SQL? 3. What is the Basic Structure of PL/SQL? 4. What is a Trigger and what are its uses? 5. What Data Types are Present in PL/SQL?
Explanation:This is a self join on the employees table, where the manager_id in the employee record matches the employee_id in the manager’s record. It returns the employee names along with their manager’s names. 17. Using UNION to Combine Results Question: Write a query to list all em...
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...
In this article, we will show some common SQL interview questions that may help you to secure a good job. Getting started What are the new features in SQL Server version X? A common question is asked about the new features of SQL Server. Here you have a list of SQL Server versions: ...
The questions given above are just an example of generic questions being asked in most of the interviews. You must prepare based on your experience. One simple rule will always work, to be honest, while answering each question. If you don’t know the answer to any questions, politely tell...
12.What is Bit-map index?Explain with Example.(80 % Asked in PL SQL Interview Questions) Answer: 1.If Table contains the distinct values which are not more than 20 distinct values then user should go for Bit map indexes. 2.User should avoid the indexing on each and every row and do ...
Check out the 50 most-asked SQL query interview questions. 50 QuestionsSQL Queries for Practice Q:-1. What is SQL Query Optimization? Ans.Query Optimization is the process of writing the query in a way that it could execute quickly. It is a significant step for any standard application. ...
A subquery in SQL is like a query within a query. It helps you ask specific questions within a larger question. This nested query is used to filter or calculate data in a structured way. What is an SQL server? An SQL server is a software application that manages and stores databases. ...