Having covered the basic questions, now let's move on to some intermediate-level data structure interview questions. After testing your basic knowledge, interviewers are going to now test your technical proficiency in implementing and using PL/SQL concepts. 5. What is the difference between stored ...
3. We are doing a ETL operations using stored procedures. Write a procedure to cleansing data in staging table and insert the data into master tables. Remember in staging table all columns are of varchar type 4. What is database unit testing? How to perform unit test for a stored procedur...
Data analysts don’t regularly need to write algorithms. But when they do, it might be something that can help them in data analysis. This data analyst interview question is such an example because it asks you to find the closest sum to the target. This or something similar is done using...
We always have an average figure as an answer for this question, because we can’t know the exact count as we maintain databases for different environments. For example an application can require 4 databases, then the same number of databases may require for DEVELOPMENT, TESTING, STAGING and i...
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Coming to the best interview question from the same company – An interview with DBA’s. They asked me how I could manage my work and community work at the same time and how I find time to do all the community work apart from my work. They asked me if I rest and take time for ...
http://www.softwaretestingclass.com/sql-joins/ The JOIN is very much misunderstood term for beginners while learning the SQL commands. In the interview at least one question is ask about the SQL JOIN’s. So in this article I am trying to simplify the things for new SQL learners & make ...
And why am I stalling to answer your question? And why am I going to change the subject to Hyper-V? If you’re still reading, then great, you’ve got the patience for what is coming next. Windows 8 Pro includes a Hyper Visor in it (Hyper-V to be exact). I’m not talking abou...
Note: These credits are for development and testing only, not for production use. The free credits can’t be used to work with third party products like Oracle. (I’m good with that.) If you do have multiple Azure Accounts, you can verify which one you are currently logged into in the...
Unit test are a software testing technique that involves systimatically breaking down a system and testing each individual part of the assembly. These tests are automated and can be run repeatedly to allow developers to catch edge case scenarios or bugs quickly while developing. The main objective...