my experience with big data and hadoop
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.
5,611 database developer interview questions shared by candidates
What would be the 1 quality that you would carry over from the previous employment
Do you work on password reset & user creation. This is our expectation from 4 yrs experienced DBA.
Related to the work,Challenges and how I have troubled shoot the issues. Question where asked :Netezza Architecture,Groom and Backup Strategies ,WLM,Netezza Replication system and DBA specific works and also basic shell scripting.
Recovery handled on Production scenarios
technical questions, very vague
Explain about your SQL Server DBA Experience? What are the different SQL Server Versions you have worked on?
What are Acid properties in sql
Database design
1. Very specific database related problem in MongoDB. Given a collection, a set of indexes and a set of queries, would adding a particular index help and why? 2. Given a set of index servers in a data center that has 2 GBPS ethernet WAN capacity, describe a most efficient way to transfer the index files (100 M each) to a set of 10 web servers in a different data center with equivalent receiving ethernet speed at the same time without any data loss. 3. What are some of the Percona utilities that you have used for MySQL and the monitoring tools. Why do you like a certain tool better over the other? (mainly to describe the features of the tool used). 4. Describe the architectural strategy or options to design your data servers in such a way that for those candidates to access their resume data that is stored in a remote data center after they have moved to a different geographic region that is closer to another data center, is the most optimal.
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