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Database Administrator Interview Questions

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Database Administrator Interview Questions

Un Database administrator ha il compito specifico di garantire la sicurezza dei dati del cliente. I candidati devono dimostrare di essere ferrati in progettazione di database, sicurezza e backup. Aspettati un colloquio prettamente tecnico, finalizzato a testare la tua capacità di ripristinare o trovare un file, gestire i database e incrementare l'efficienza di un backup. Eccellenti capacità organizzative e comunicative dimostreranno che sei la persona giusta per gestire il database dell'azienda.

Domande tipiche dei colloqui per Database administrator e come rispondere

Question 1

Domanda 1: Parlami della tua esperienza con l'intelligenza artificiale.

How to answer
Come rispondere: L'intelligenza artificiale sta diventando sempre più importante per la gestione dei database. Il responsabile delle assunzioni sta valutando le tue capacità in questo ambito. Parla di progetti di gestione dei dati nei quali hai utilizzato l'apprendimento automatico, hai sviluppato un'infrastruttura IA e hai implementato algoritmi IA. Se non hai esperienza sul campo, esponi un evento del settore o un progetto al quale hai lavorato autonomamente che implicava l'uso dell'intelligenza artificiale.
Question 2

Domanda 2: Un collega senior è in disaccordo con te. Come gestisci questa situazione?

How to answer
Come rispondere: Un Database administrator deve collaborare con professionisti IT, come gli analisti dei dati e i responsabili senior, per gestire il database e garantire l'accessibilità dei dati. La tua risposta deve dimostrare al responsabile delle assunzioni che sei in grado di lavorare in team in modo efficiente, di risolvere i conflitti e di comunicare in modo persuasivo. Illustra una strategia che preveda una serie di azioni comportamentali. Elabora la risposta in anticipo, magari chiedendo un parere a un professionista di tua conoscenza e correggila se necessario prima di presentarti al colloquio.
Question 3

Domanda 3: Parlami della tua esperienza nella gestione dei dati su cloud.

How to answer
Come rispondere: Un numero sempre maggiore di aziende sta effettuando la migrazione al cloud dei propri database; il responsabile delle assunzioni vuole sapere se possiedi le capacità per gestire un database basato su cloud. Fornisci degli esempi della tua competenza in questa materia. Puoi raccontare, ad esempio, di aver lavorato con determinati sistemi di archiviazione su cloud, come AWS, di esserti occupato della transizione al cloud di dati aziendali on-site, di aver gestito e messo in sicurezza i dati cloud e di aver migliorato l'interazione dei dati con le app distribuite.

3,454 database administrator interview questions shared by candidates

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?
avatar

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?

Technical, Process related It was good. interview was mainly related to process. DBA task, responsibility It was good. interview was mainly related to pIt was good. interview was mainly related to process. DBA task, responsibilityrocess. DBA task, responsibility
avatar

Database Administrator

Interviewed at Wipro

3.6★
Nov 7, 2015

Technical, Process related It was good. interview was mainly related to process. DBA task, responsibility It was good. interview was mainly related to pIt was good. interview was mainly related to process. DBA task, responsibilityrocess. DBA task, responsibility

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