Interview questions for Junior SQL server DBA.

-

 

1.       What is SQL Server build?

2.       What are the system DBs available in SQL Server, and what is the significance of each DB?

3.       How will you troubleshoot a log file growth issue that is causing disk space issues?

4.       What are startup parameters?

5.       What are the DBCC commands you use regularly?

6.       What are the DMVs you know, and what is the purpose?

7.       How will you troubleshoot blocking?

8.       What is the difference between locking and blocking and deadlock?

9.       What is the tail log backup, and when will it be useful?

10.   How does SQL Server identify differential backups?

11.   How will you verify logins and users using queries in SQL Server?

12.   What are the differences between mirroring and log shipping?

13.   Can we configure mirroring in bulk log recovery model?

14.   Can we configure log shipping in bulk log recovery model?

15.   What is the quorum drive, and what is the use of it?

16.   How will you start SQL Server in single-user mode?

17.   How will you recover the secondary database in log shipping after the primary failure?

18.   Explain the modes in mirroring.

19.   Can we create a table in a single file group? How?

20.   How to truncate the log file in SQL Server 2008?

21.   How will you recover the suspect database?

22.   What is a heap table?

23.   Due to some memory issue, you are unable to open Management Studio. The server is responding very slowly. You want to troubleshoot; how will you troubleshoot?

24.   What are the new features available in SQL Server 2019?

25.   How will you identify when was the last time SQL Server was restarted?

26.   How will you check the processor count in SQL Server?

27.   What is the difference between active-active and active-passive cluster?

28.   How does data transfer from publisher to subscriber in replication?

29.   How will you connect to SQL Server in a cluster?

30.   What is the difference between reindex and reorg?

31.   What is fragmentation, and how will you find it in SQL Server 2000 and 2005?

32.   How can you issue a full backup and not interrupt the LSNs?

33.   What are statistics, and why do we need to update them at regular intervals?

34.   What is the difference between a Primary Key and a Unique Key?

35.   What are orphan users, and how will you troubleshoot them?

36.   What trace flag should you enable to capture deadlocks in the error log?

37.   Can we perform a backup restore operation on TEMPDB?

38.   What is the use of the resource database?

39.   How will you change the port number? Does it require a restart of SQL Server?

40.   How will you add a new column to an existing table, and what are the considerations?

Comments

Post a Comment

Popular posts from this blog

Database Administrator Designations

-
  Database Administrator Designations: Exploring Key Roles and Responsibilities In today's data-driven world, the role of a Database Administrator (DBA) is crucial to ensuring that data is stored, managed, and accessed efficiently and securely. Within the realm of database administration, there are various specialized roles, each with distinct responsibilities and skill sets. Let's delve into the key designations in database administration and understand what each role entails. 1. Database Administrator (DBA) Responsibilities: Database Installation and Configuration: Setting up new databases, including installing database management systems (DBMS) software. Backup and Recovery: Creating and managing backup strategies to ensure data can be restored in case of loss or corruption. Performance Tuning: Monitoring and optimizing database performance, including tuning queries and managing indexes. Security: Implementing security m...
Read more

Interview Questions on AOAG

-
1.What are the prerequisites for setting up AlwaysOn? 2.How do you set up replication in AlwaysOn environment? 3.How do you manage replication during Windows patching or failover if replication has been set up in AlwaysOn? 4.How do you sync logins in AlwaysOn? 5.How do you sync users in AlwaysOn secondary? 6.How do you add database files in AlwaysOn? 7.How do you perform an in-place upgrade of SQL Server in a AlwaysOn environment? 8.What is the procedure for SQL Server patching in AlwaysOn? 9.How do you failover a mirror server if replication has been set up? 10.What is the SPN concept in AlwaysOn? 11.What is file share in AlwaysOn? 12.How do you create multiple AlwaysOn listeners? 13.How do you check latency in AlwaysOn? 14.What is the command used to check latency in replication without using GUI? 15.What are DNS issues in AlwaysOn? 16.If a user is connecting to the primary and not able to connect to the secondary, and the secondary is in read-only mode, how do you fix the issue in A...
Read more