Nested Subquery: This can be placed anywhere in the outer query and does not directly reference the outer table. Advanced SQL Interview Questions for Experienced 18. What is a function in SQL, and why do we use functions? A function is a database object that encapsulates a set of SQL st...
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...
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 ...
Read these latestSQL Interview Questions and Answers for Experiencedthat help you grab high-paying jobs PlSQL Developer Interview Questions 21) What is the difference between Entity, Attribute, and Tuple? Entity: A significant thing about which some information is required.For exp:EMPLOYEE (table)....
Final words: I hope this post helped you in brushing up your SQL Skills. Hope we have covered complex SQL Technical Interview Questions and Answers for Experienced as well as Freshers. Bookmark this post “SQL Interview Questions And Answers for Experienced” for future reference. After reading ...
Book for SQL Server Interview Questions and Answers for Experienced and Freshers….1000+ questions covered, checkherefor sample questions
2. Have you experienced filter index partitions 3.What is the difference between sub query and correlated query 4. What is the difference between pessimistic locking and optimistic locking? 5. What are the user roles available in SSRS?
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. ...
SQL Questions & AnswersRunaway Log Files, SQL Server Instances, and More Edited by Nancy Michell Log File Overgrowth Q I have a little 40MB database in SQL Server™ Express that I use for a Web site, but the log file has grown to over 1GB. How do I shrink the log file, and how...
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...