Advanced SQL Interview Questions for Experienced 35. Write a query to fetch employees who earn more than the average salary. SELECT * FROM Intellipaat_Emp WHERE salary > (SELECT AVG(salary) FROM Intellipaat_Emp); 36. How would you find the 2nd highest salary from a table called Employees...
The following are the most popular and useful SQL interview questions and answers for fresher and experienced candidates. These questions are created specifically to familiarise you with the types of questions you might encounter during your SQL interview. According to our experiences, good interviewers ...
6. Can you write a query to find nth highest salary of an employee? 7. Write a query to delete duplicate records from a table. Note: Write queries that suits the below situation. A table is having a unique key and having duplicates records, table is not having a unique and having...
Advanced SQL JOINS Interview Questions for Experienced 21. Create tables- Customer detail and Product detail. Fig. 1.1 Fig. 1.2 So, based on these two tables, let’s look into some of the questions related to SQL JOINS and queries. 22. Get customer name and product name order by first na...
We have categorized Oracle PL SQL Interview Questions - 2024 (Updated) into 3 levels they are: For Beginners 2) What is SQL and also describe types of SQL statements? SQL stands forStructured Query Language. SQL is a language used to communicate with the server to access, manipulate, and ...
Bookmark this post “SQL Interview Questions And Answers for Experienced” for future reference. After reading this post “SQL Interview Questions”, if you find that we missed some important SQL Server Interview Questions, please comment below we would try to include those with answers. ...
Spark SQL Interview Questions for Experienced 1. How can a DataFrame schema be specified programmatically? Three steps can be followed to create a DataFrame programmatically: From the original RDD, create an RDD with rows; Create the schema defined by a StructType that matches the Rows in the RD...
Basic and Advance SQL Interview SQL Interview Questions for Experienced and Developers SQL Joins Interview Questions SQL Server Interview Questions PostgreSQL Interview Questions Interview Query Resource:Top 25+ Data Science SQL Interview Questions by Interview Query ...
Query 2: Write a query to insert the data into the table. ADVERTISEMENT ADVERTISEMENT Sol: Syntax to insert data into a table: INSERTINTOTable_NameVALUES(value_1, value_2, value_3, ..., value_N); We can easily insert the record using the INSERT statement in SQL. Examples...
Hi friends, Here we will look into various Interview questions which are common and frequently asked in Interviews. Hope it benefits for freshers and experienced. Recommendation ReadSome basic SQL queries which should be practiced before going to Interview - Part 1beforethis article. ...