Typical questions regarding SQL and databases: difference between truncate and delete, union vs. union all, what is index/ trigger/ package.
Database Developer Interview Questions
Database Developer Interview Questions
When you interview for a job as a database developer, expect the interviewer to assess how you compile a database system that meets the company's needs while also troubleshooting potential issues. Employers seek candidates who have strong problem-solving and organizational skills as well as possess a strong understanding of database systems.
Top Database Developer Interview Questions & How To Answer
Question 1
Question #1: How would you handle data loss during a migration?
How to answer
How to answer: While this is an issue all database developers seek to avoid, it's not always guaranteed that data remains secure when migration occurs. Answering this question lets the interviewer know how you handle challenges and save a company from certain data disasters. You could also mention steps the company could take to prevent data loss before the migration.
Question 2
Question #2: When do you decide certain databases need upgrading?
How to answer
How to answer: With this open-ended question, interviewers will examine your expertise in the industry. You should know specifics about certain programs and how often they need upgrading. Discuss how you work collaboratively and communicate efficiently with management as to when upgrades need to occur.
Question 3
Question #3: How did you overcome challenges on a recent project?
How to answer
How to answer: Even if you have the best plans for a database project, you might come across issues. Give examples highlighting your problem-solving skills and ability to handle a workload. The interviewer will learn how you operate under pressure and troubleshoot any issues.
5,615 database developer interview questions shared by candidates
They asked: Tell me about yourself
When you have 3 mongodb shard cluster where data distributed across the nodes. Incase of 1 shard went complete down will mongodb serves the application? Will it get crash? What about the results?
What is foreign key? What is joins Primary key Foreign key Unique Create table syntax Where having difference Insert delete query How to count empname How to add 1 to 100 serial number in Excel
All questions were very technical
SH scripting
In screening they asked, our introduction and basic hr questions
Nothing difficult, just unexpected argumentative and belittling comments. As any seasoned DBA will tell you, 99% of the answers are "it depends". Not good enough for them.
Why do you want this job
What is the most difficult thing during data collection in the field setting?
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