The questions that are asked during the interview will have layers to unfold before you can answer them. The questions that are asked will not be picked from any textbook instead the questions will all be asked
SQL joins can be a bit tricky. But please don’t quit – once you’ve had the “gotcha” moment you’ll wonder what all the fuss was about! First though, if you are new, or rusty on basic SQL – check out thisIntroduction to SQL. You’ve Convinced Me – What’s A Join? The ...
5 Tricky SQL Queries Solved- Aug 19, 2022. Explaining the approach to solving a few complex SQL queries. SQL Getting Started with SQL Cheatsheet- Aug 3, 2022. Want to get started with SQL? Check out the latest cheatsheet from KDnuggets to get up to speed on the basics of one of the...
Lecture 6 SQL Interview Questions 4 – Ranking Section 4: Python DataFrame Interview Questions Lecture 7 Python Interview Questions – DataFrame This course discuss some of the tricky coding interview questions, most commonly asked for Data Analyst job interviews. These are also asked for Data Scienti...
The tricky part is figuring what SQL Lite version a given device is actually using. Although Android does have a version baked into a given OS version, manufactures seem to have different SQL Lite versions on different devices. This can cause a major headache when trying to figure out the SQ...
Choosing the right platform would also require you to factor in how much you already know and the bandwidth you have to practice. If you’re actively interviewing, it's always a good idea to double down on interview questions and refresh some tricky concepts like window functions, subqueries,...
More actions December 25, 2014 at 10:12 am #1766412 Nice list of questions. Thanks. Could someone provide an example from question 10 where "HAVING without GROUP BY" works. The SQL doc says you can do this and it behaves like a WHERE clause, but I've never seen anything...
Till now it was bit tricky to split a Sentence or CSV String to multiple values or rows, and we used different logic to do the same. In my [previous post] I blogged similar logic to Split a String and Combine back by using some XML syntax. In SQL Server 2016 this has been made ...
Seems a bit difficult but not impossible. Its tricky though, lets see how: Lets us suppose your Excel file is in following format shown in image below (Fig-1): 1. Contact recordset & 2. Sales Order recordset Fig-1 Sheet with multiple recordsets ...
How many clustered indexes can be created on single table? 1 128 256 Upto number of columns in table Nishi 11-5-2011 05:48 AM Sql server multiple choice questions SQL Server tests are fantastic. Questions are good, tricky and simple. Please post more questions on SQL Server 2008 ...