Advanced Sql Server Dba Interview Questions

Can we change the restore mode of the secondary database from NORECOVERY to STANDBY in SQL Server log shipping configuration?

Yes, we can change the secondary database restore mode from restoring to standby to use it for read-only operations. We will use a system stored procedure sp_change_log_shipping_secondary_database to make this change. This stored procedure will take an input value 1 for argument @restore_mode while running it. There are two values for this argument. Use 1 to restore the log with STANDBY and use 0 to restore the log with NORECOVERY.

You have created a database snapshot on the primary replica. What would happen to the database snapshot if the primary replica failed over to the secondary replica?

Database snapshots will not have any impact. They will be there on previous primary replica and you can use them for your requirements.

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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 youre 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:

  • Most Popular SQL Server DBA Interview Questions with Answers
  • Sample SQL Server DBA Interview Questions for Practice
  • FAQs on SQL Server DBA Interview Questions
  • Can we run DBCC CHECKDB on the secondary replica of the availability group?

    Yes, we can execute CHEKDB on a secondary replica for database integrity check. This will ensure the integrity of the database hosted on secondary replica only. This execution will not guarantee the integrity of the database hosted on a primary replica as a primary replica uses a different set of storage systems to host their databases.

    What is Enhanced Database Failover in Always on availability group?

    Microsoft has added a new feature in SQL Server 2016 availability groups where you can configure your databases participating in availability groups to failover if they are unable to do write operations. Earlier versions of SQL Server were not triggering failover if any database from the availability group was unable to write operation. It is also called database level health detection in the availability group. This is an optional feature that can be configured during creating an availability group or you can even configure it by running the below ALTER statement for existing availability groups.

    12345 –Enable Enhanced database failover on an existing availability groupALTERAVAILABILITYGROUP[AGNAME]SET(DB_FAILOVER=ON) –Disable Enhanced database failover on an existing availability group ALTERAVAILABILITYGROUP[AGNAME]SET(DB_FAILOVER=OFF)

    SQL Server DBA Interview Questions and Answers

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