Conceptual Understanding:Core principles, data types, control structures, and exception handling. Practical Coding Ability:Writing efficient stored procedures, functions, triggers, and packages. Performance Considerations:Optimizing PL/SQL code to improve execution time, minimize resource consumption, and avoid...
Practice coding in SQL and Python and solve as many actualdata analyst interview questions. But also don’t forget to use other resources and practice other data analysis skills. Coding is important, but it’s not everything. Nate Rosidiis a data scientist and in product strategy. He's also...
Read up the following topics in SQL Server books online: Understanding and avoiding blocking, Coding efficient transactions. 8. Explain CREATE DATABASE syntax Many of us are used to craeting databases from the Enterprise Manager or by just issuing the command: CREATE DATABAE MyDB. But what if...
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: We can’t create a new database when model database is down. SQL Server restart will be unsuccessful when model database is down as TE...
If you find anything not clear from the question, the interviewer will be very impressed. Since everyone wants to work with detail-oriented people. 2.Write down pseudo-code or implementation steps importance level: ★★★ Just as other coding interviews, writing pseudo code can not only...
The final question comes from HackerRank. “You did such a great job helping Julia with her last coding contest challenge that she wants you to work on this one, too! The total score of a hacker is the sum of their maximum scores for all of the challenges. Write a query to print the...
This is another example of co-related sub query and most frequently asked interview question. emp_id_colemp_name_colemp_sal_col 1A100 2B200 3C300 4D400 1 2 3 4 5 6 7 select emp_sal_col from Employee_Table e1 where N-1 =
C# Coding Horror SQL Server General C# General SQL Server PL/SQL C# Language Enhancements What is difference between the "throw" and "throw ex" in .NET? - 72270 View(s) How to prevent a class from being inherited? - 57559 View(s) What is implementation inheritance and interface ...
Engaging with online forums, joining study groups, and participating in coding challenges can provide additional support and motivation. Lastly, using interactive tools, such as DataCamp’s interactive SQL courses, can significantly enhance your learning experience. Getting a SQL job with no previous ...
How to find the second-highest salary in SQL To find the second highest salary in SQL is a very common important interview question. If you are going for the role at the junior level. There are many ways to find the second-highest salary in SQL. Some important questions to find the sal...