SQL Agent Job failures Performance Issues Resource (Memory/IO/CPU etc.) Utilization Alerts High-Availability and Disaster Recovery related issues Q. “model” system DB is down and we are trying to create a new database. Is it possible to create a new database when model DB is down? Ans:...
Here, you will find a collection of real-world Interview questions asked in companies like Google, Oracle, Amazon, and Microsoft, etc. Each question comes with a perfectly written answer inline, saving your interview preparation time. It also covers practice problems to help you understand the ba...
The use of comparison operators like <,> or = can be done in a subquery. These kinds ofSQL Interview Questionsare a bit difficult to understand and answer accordingly. There are a lot ofSQL Interview Questionsapart from this, which the candidates must practice qualifying for the interview. Fo...
How do They Differ? NVL(exp1, exp2)andNVL2(exp1, exp2, exp3)are functions that help us with null-checking problems. But there are some differences. As you can see the NVL function accepts 2 parameters, while the NVL2 function accepts 3 parameters. The NVL can be traduced in the fol...
$ curl -O https://static.interviewcake.com/bakery_schema_and_data.sql && mysql.server start && mysql -u root Then run our script to set up theBAKERYdatabase and insert data: > source bakery_schema_and_data.sql; If you want to come back to the data again and you already downloaded ...
Programming languages like PL/SQL become more resilient and error-tolerant if exceptions are handled pragmatically. Programmers can regulate how their programs run and elegantly handle unforeseen problems by utilizing the PL/SQL EXCEPTION block. Applications with exception handling are easier to use and ...
Some of the tools/ways that help you troubleshooting performance problems are: SET SHOWPLAN_ALL ON, SET SHOWPLAN_TEXT ON, SET STATISTICS IO ON, SQL Server Profiler, Windows NT /2000 Performance monitor, Graphical execution plan in Query Analyzer. Download the white paper on performance tuning SQL...
In this article, we will discuss a few very common questions that you may be asked during a SQL Server administrator or developer technical job interview. 在本文中,我们将讨论一些非常常见的问题,在SQL Server管理员或开发人员进行技术面试时可能会询问您。
“Solving real problems, getting real experience – just like in a real data science job.” Learn more... Conclusion The hard part of these SQL interview questions is that they are abstract. The tasks say to “imagine the data sets” and show only a few lines of them. When you get an...
Here are5-7 quick tipsfor succeeding in anSQL interview: Master SQL Basics: Understand core concepts like SELECT, JOIN, GROUP BY, and aggregation functions. Practice Regularly: Solve SQL problems on platforms like LeetCode, HackerRank, or SQLZoo to sharpen your skills. ...