Google Site Reliability Engineer Mock Interview
Master 30 Google SRE interview questions covering system design, incident response, and distributed systems.
Question 30 of 30
What are some of the databases you've used in your previous roles? How do you manage database query times?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
Since site reliability engineers deal with a lot of data in their measurements and analysis, you need to be able to work effectively with database tools. Each organization has a preference for which databases and tools they use, so the SRE needs to be flexible and able to adapt to new environments. When answering this question, you should provide the interviewer with the names of the databases you've worked with. If they do not correspond to the databases used by Google, you should discuss your ability to apply your existing knowledge to rapidly learn the features of the new database.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"During my career, I've worked with several different databases. These include Oracle Database, MySQL, Microsoft SQL Server, and dbase. While each of these is unique in its features, commands, and structure, they are all fundamentally the same. I can quickly transition between database tools by applying the knowledge I already have and using guides and manuals to learn the new commands and database structures. There are several ways to improve database query times. These include avoiding wild card queries, choosing the appropriate data types, avoiding NULL in fixed-length fields, and other techniques to reduce the scope of queries."
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