*Frequently asked SQL interview questions for Data Analyst/Data Engineer role-* 1 - What is SQL and what are its main features? 2 - Order of writing SQL query? 3- Order of execution of SQL query? 4- What are some of the most common SQL commands? 5- What’s a primary key & foreign key? 6 - All types of joins and questions on their outputs? 7 - Explain all window functions and difference between them? 8 - What is stored procedure? 9 - Difference between stored procedure & Functions in SQL? 10 - What is trigger in SQL? 11 - Difference between where and having?