There are many different DBA (database administrator) interview questions that employers may ask to assess a candidate’s knowledge and skills. Some of the most common and popular DBA interview questions include:

• What are the main responsibilities of a DBA?
• What are the different types of backups in SQL Server, and how do they differ?
• What is the SQL Server transaction log, and what is its purpose?
• How do you monitor the performance of a SQL Server database, and what tools do you use for this?
• What is the importance of indexing in a SQL Server database, and how do you choose which columns to index?
• What is the difference between a clustered and a non-clustered index in SQL Server?
• What is the SQL Server tempdb database, and what is its purpose?
• What is the SQL Server Management Studio, and what are its main features?
• What are the different isolation levels in SQL Server, and how do they affect concurrency and data consistency?
• How do you troubleshoot and resolve SQL Server performance issues, and what tools do you use for this?

These questions are designed to assess a candidate’s knowledge of the core concepts and skills required for a DBA role. By asking these questions, employers can get a better understanding of a candidate’s experience and expertise in managing and maintaining SQL Server databases.

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