SQL Server Database Administrators, also called Server DBAs, are responsible for the design, maintenance, security, memory, and support of SQL Server Databases. SQL Server DBA interview questions are asked in both fresher and experienced programmers' SQL interviews. If you're getting ready for an upcoming SQL interview, going over these SQL Server DBA interview questions and answers can help you ace it.
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In this article, we’ll look at some common basic and advanced SQL Server DBA interview questions with answers, as well as some sample interview questions asked at SQL technical interviews.
Here’s what we’ll discuss:
These SQL Server DBA interview questions with answers are asked to freshers and experienced developers. Practicing these questions will prepare you for your tech interview.
Extents in an SQL server database are the basic unit of measuring space for indexes and tables in the database.
The contents of the page header are - Index of Data and Free Space.
The different types of System Databases include:
The syntax used to create an SQL database is - Create database <databasename>
This is one of the most common SQL Server DBA interview questions asked in technical interviews. To create a database with a specific file location, the following command is used:
Restore Database <database name> from disk='<Backup file location + file name>’
Some third-party tools that are commonly used to create and support SQL server databases include:
The SSMS, or SQL Server Management Studio, is a popular software application used for designing, creating, configuring, and managing components inside the Microsoft SQL database. It is one of the widely used applications for Microsoft SQL databases.
The methods used to backup SQL databases include SSMS and T-SQL
Hotfixes are software packages that contain multiple files specifically deployed to fix problems in an SQL database. Hotfixes are commonly developed and used by developers to rectify SQL database problems that may arise from time to time.
This is a common SQL Server DBA interview question asked at technical interviews. Some benefits of using third-party tools include:
Here are some additional sample SQL server DBA interview questions that you can practice before your tech interview. These basic and advanced questions will help you prepare your answers in advance and make it easier to crack the technical round.
The above SQL server DBA interview questions will help you prepare thoroughly for your upcoming SQL or software engineering interview.
Q1. What type of SQL Server DBA interview questions can you expect at technical interviews?
SQL Server DBA interview questions at technical interviews are typically around different System Databases, core SQL database concepts such as clustering, mirroring, replication, server, and database security, allocating memory, and retrieving data from the database servers.
Q2. What is the typical role of an SQL Database Administrator?
SQL Database Administrators are typically involved with designing and managing the SQL server, allocating memory, organizing data, enabling user interaction with the server, and ensuring that data contained in the server is secure.
Q3. How many years of experience do you need as an SQL DBA to apply to FAANG+ companies?
Most top companies, including FAANG+ companies, prefer administrators with proven database and server-side experience. These companies require candidates to have 3-4 of experience designing and managing SQL databases.
Q4. Which are the four main types of Database Console Commands?
This is a standard SQL Server DBA interview question asked at technical interviews. The four main types of DBCCs are Information Commands, Validation Commands, Maintenance Commands, and Miscellaneous Commands.
Q5. What are the types of recovery models available in SQL server databases?
The three types of available recovery models include - Simple Recovery, Sull Recovery, and Bulked Log Recovery.
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