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3,074 database administrator interview questions shared by candidates

Tell us about yourself and your experience as a Database Administrator. Why do you want to work for our company? What motivates you in your career as a DBA? Describe a challenging situation you faced as a DBA and how you resolved it. How do you handle stress or tight deadlines? How do you prioritize your tasks when managing multiple projects? How do you keep yourself updated with the latest developments in database technologies? Can you describe a time when you had to work as part of a team? How would your previous colleagues describe you? Where do you see yourself in the next 3-5 years in your DBA career?
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SQL Database Administrator

Interviewed at Verizon

3.6★
Oct 1, 2024

Tell us about yourself and your experience as a Database Administrator. Why do you want to work for our company? What motivates you in your career as a DBA? Describe a challenging situation you faced as a DBA and how you resolved it. How do you handle stress or tight deadlines? How do you prioritize your tasks when managing multiple projects? How do you keep yourself updated with the latest developments in database technologies? Can you describe a time when you had to work as part of a team? How would your previous colleagues describe you? Where do you see yourself in the next 3-5 years in your DBA career?

Tell me about yourself? Your role as a DBA? Your Day to Day activities? What is difference between oracle SID and Oracle service name? Oracle SID is the unique name that uniquely identifies your instance/database where as the service name is the TNS alias can be same or different as SID. What are the steps to install oracle on Linux system? List two kernel parameter that effect oracle installation? Initially set up disks and kernel parameters, then create oracle user and DBA group, and finally run installer to start the installation process. The SHMMAX & SHMMNI two kernel parameter required to set before installation process. What are bind variables? With bind variable in SQL, oracle can cache queries in a single time in the SQL cache area. This avoids a hard parse each time, which saves on various locking and latching resource we use to check object existence and so on. What is the difference between data block/extent/segment? A data block is the smallest unit of logical storage for a database object. As objects grow they take chunks of additional storage that are composed of contiguous data blocks. These groupings of contiguous data blocks are called extents. All the extents that an object takes when grouped together are considered the segment of the database object. What is the difference between PGA and UGA? When you are running dedicated server then process information stored inside the process global area (PGA) and when you are using shared server then the process information stored inside user global area (UGA). What is SGA? Define structure of shared pool component of SGA?
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Senior Oracle Database Administrator

Interviewed at Wipro

3.6★
Jul 1, 2018

Tell me about yourself? Your role as a DBA? Your Day to Day activities? What is difference between oracle SID and Oracle service name? Oracle SID is the unique name that uniquely identifies your instance/database where as the service name is the TNS alias can be same or different as SID. What are the steps to install oracle on Linux system? List two kernel parameter that effect oracle installation? Initially set up disks and kernel parameters, then create oracle user and DBA group, and finally run installer to start the installation process. The SHMMAX & SHMMNI two kernel parameter required to set before installation process. What are bind variables? With bind variable in SQL, oracle can cache queries in a single time in the SQL cache area. This avoids a hard parse each time, which saves on various locking and latching resource we use to check object existence and so on. What is the difference between data block/extent/segment? A data block is the smallest unit of logical storage for a database object. As objects grow they take chunks of additional storage that are composed of contiguous data blocks. These groupings of contiguous data blocks are called extents. All the extents that an object takes when grouped together are considered the segment of the database object. What is the difference between PGA and UGA? When you are running dedicated server then process information stored inside the process global area (PGA) and when you are using shared server then the process information stored inside user global area (UGA). What is SGA? Define structure of shared pool component of SGA?

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