Top 50 SQL Server Interview Questions and Answers 2023

  • Home
  • Education
  • Top 50 SQL Server Interview Questions and Answers 2023

The list consist of Basic to Advance level SQL Server DBA Interview Questions and Answers. Agent Service is a dependent service, so it will stop first agent and then SQL services.

sql dba interview questions

Cursors’ performance is affected when large volumes of data are present. The volume of data, type of information stored, and data to be accessed must be checked. When a system is being upgraded, the present data should be analyzed, and the methods of accessing data should be checked to help understand problem design. Keeping the information about data is necessary when using a new system. What are the different SQL Server Versions you have worked on, what kind of administration of those instances has been done by you. Your role and responsibilities carried out in your earlier projects that would be of significance to the potential employer.

What is the most common trace flags used with SQL Server?

You can encapsulate the logic using stored procedures and change stored procedure code without affecting clients. It helps in quickly locating and accessing the data in the database. Brent recorded videos helping you prepare and practice for interviews with 100 practice DBA interview questions on on your desktop, laptop, iPad, or iPhone. Top 10 Questions to Ask a Senior SQL Server DBA – if you’re hiring a database administrator, here’s ten how to become a sql server dba questions to ask along with the types of answers you should expect to hear. SQL injection is an attack by malicious users in which malicious code can be inserted into strings that can be passed to an instance of SQL server for parsing and execution. All statements have to checked for vulnerabilities as it executes all syntactically valid queries that it receives. XML data type is used to store XML documents in the SQL Server database.

  • Properly locate different DB objects across different tablespaces, files and so on.
  • These services solve complex business problems by loading data warehouses, perform data wrangling, copy or download files, and manage SQL Server objects.
  • The default value of the Fill Factor is 100, which is same as value 0.
  • Now if you query the snapshot all modified pages are read from sparse file and remaining all unchanged pages are read from the original data file.
  • Dynamic SQL is a set of statements that dynamically constructed at runtime and it will not be stored in a Database and it simply execute during run time.
  • First right-click on a database, then select the “Properties” item from the drop-down.

The owner of the store might want to see how the sales of different products are performing. The owner might also want to see the performances in a particular quarter of a year. What could be better than a beautiful and detailed visualization for this? It will help us visualize data, meeting our requirements. SQL Server Reporting Services is a set of tools that helps in generating reports. Businesses can use it for getting visual insights into data. The above code raises divide-by-zero error and handles it in the catch block.

SQL Server DBA Interview Questions and Answers For Freshers

Instead of filtering records, again and again, we can store that small subset of records in a temporary table. Ask for a List of Servers – DBA candidates need to ask as many questions as they answer during the interview. Top 10 Developer Interview Questions About SQL Server – the best questions to ask in an interview of a developer who will be storing data in SQL Server. Whether you’re hiring a C#, VB, or Java developer, they all need to know the basics.

sql dba interview questions

It preserves the unmatched rows from the Table2 table, joining them with a NULL in the shape of the Table1 table. A LEFT OUTER JOIN B is equivalent to B RIGHT OUTER JOIN A, with the columns in a different order.

What are the different types of Upgrades that can be performed in SQL Server?

It is very important to finalize all transactions as soon as possible. Explain the one-to-many relationship in the SQL Server database.

Facebook Twitter Google Plus Pinterest

Leave A Reply