Given two tables and a query that joins them, design an optimal index strategy
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
Implement an LRU cache (in any language)
Describe your experience or previous work with Cassandra Database
DWH theory , oracle issues and Informatica Power Center.
self intro,back ground,education back ground
How to troubleshoot performance issues.?
DBA related questions and technology related
What has been my journey so far?
Salary was the first question he asked in technical interview
I wasn't asked any real technical questions. they are running single node Oracle databases from the ancient ( and most likely no longer supported ) Oracle 8 to Oracle 11. they are using Oracle's "Advanced Replication" feature which was advanced ten years ago. the local office has the support staff but didn't seem to have any managers. all development is outsourced to India and Russia.
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