Advanced SQL interview questions Here are15 advanced SQL interview questions or conceptswithdetailed answers, designed to test in-depth SQL knowledge and problem-solving ability: 1. What are Window Functions? Explain with an example. Answer: Window functionsperform calculations across a set of table ...
Answer:PL/SQL requires a special capability to retrieve and process more than one row and that resource is known as Cursors. A cursor is a pointer to the context area, which is an area of memory containing SQL statements and information for processing the statements. PL/SQL Cursor is basical...
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 ...
For SQL interview questions that ask you to talk about the advantages or disadvantages of a certain component or tool, ensure that you list as many as you can. Also, you can make your answer to such an SQL interview question meaty by adding personal anecdotes about some of the advantages o...
Top Interviews Question and their answer with examples (Part 1) Top Interviews Question and their answer with examples (Part 2) Here are some mentioned points. 1. What is your salary expectation? A nasty question, do not give the salary number to them exactly as every company have ...
In the last section, we have seenWhat is Clustered and Nonclustered indexesand How they resolve the physical location of the record. Let's see some more differences between them to answer this SQL interview question : 1.Physical Sorting ...
Answer:Yes. 34.Can I use slipstream to upgrade from SQL 2000 to SQL Server 2008? Answer:Yes. 35. Is there a way to find out when a patch /spwas last applied to an instance? Ans: Start SSMS, open help menu and go to “about” ...
13. How do you find the duplicate rows in a table?(answer) Again, like the previous question, there are several ways to find the duplicate rows in a table, e.g. you can use a ranking function likerow_numberwhich assign row number depending upon the value you ask, and for the same ...
Answer: SELECT emp_fname FROM emps WHERE salary = (SELECT salary FROM emps WHERE emp_code = 2) AND join_date >= CURDATE() - INTERVAL 1 YEAR; Copy Summary – Top 50 Tricky SQL Queries for Interview The SQL queries provided here should work on popular databases like MySQL, SQL Server,...
SQL Server Replication Interview Questions and Answers Question – Briefly define SQL Server Replication and its components. Answer –Replication is used to replicate data from one server to another. SQL Server replication has very mature features that can be used to offload reporting transactions from...