Multiple-row sub-query, where the subquery returns multiple rows, and, Multiple column sub-query, where the sub-query returns multiple columns. 40. 26. Stored procedure execution plans can be reused, staying cached in SQL Server’s memory, reducing server overhead. Non-Clustered Index – Non-Clustered Index depends on the clustered index internally. 5. Due to some maintenance being done, the SQL Server on a failover cluster needs to be brought down. What are the new features in SQL Server 2005 when compared to SQL Server 2000?Answer: There are quite a lot of changes and enhancements in SQL Server 2005. What are the differences between “ROW_NUMBER()”, “RANK()” and “DENSE_RANK()”?Answer: “ROW_NUMBER” – Used to return a sequential number of each row within a given partition.“RANK” – Used to returns a new row number for each distinct row in the result set and it will leave a number gap in case of duplicates.“DENSE_RANK” – Used to returns a new row number for each distinct row in the result set and it will not leave any number gap in case of duplicates. How to get @@ERROR and @@ROWCOUNT at the same time?Answer: If @@Rowcount is checked after Error checking statement then it will have 0 as the value of @@Recordcount as it would have been reset. In Inner join, each record of table A Is matched with each record of Table B and the matched records are then be displayed in the resultant table. A common application of recursive logic is to perform numeric computations that lend themselves to repetitive evaluation by the same processing steps. Are you looking for SQL Server Dba Interview Questions for Fresher’s or experienced? 1. The INTERSECT operator returns only those rows that exist in both queries. Non-Correlated – It is an independent subquery. This function is used to return a non-null from more than one column in the arguments. What the different components in Replication and what is their use?Answer: The 3 main components in Replication are Publisher, Distributor, and Subscriber. How many levels SP nesting is possible?Answer: Yes. By our selection of SQL Server Online Training occasions, you can see how to execute and control database explications, operate with great reporting innovations and recognize how SQL Server combines with SharePoint. “Left Join” and “Left Outer Join” are used interchangeably because records which are returned will be the same with either of these. 9. 25. An Active-Active cluster is a failover cluster configured in a way that both the cluster nodes are active at any given point of time. Microsoft SQL Server 2019 | Features added to SQL Server on Linux . Sql Server Interview Questions and Answers. Explain the properties of a relational table?Answer: Below is the list of properties relational table should have –, 44. “Having” clause used with SELECT clause and this is used with GROUP BY clause. Which returns multiple columns to the main query is multiple-column subqueries. BULK INSERT command helps to import a data file into a database table or view in a user-specified format. Every SQL server instance has primarily 4 system database i.e. Then you have come to the right place. The leaf nodes of a clustered index contain the data pages. SQL Server Interview Questions and Answers For All Database Developers and Developers Administrators Pinal Dave SQLAuthority.com Vinod Kumar ... DBA SKILLS RELATED QUESTIONS .....142 Pages 142 to 173 belong to chapter DBA Skills Related Question. 15. Once you have selected the SQL Server group, in the right-hand side of the console, the column “Owner” gives us the information of the node on which the SQL Server group is currently active. The IAM pages are the only structures that link the pages in a table together. Indexes are created in a table to retrieve the data quickly. 48. 35. Some sample questions are included by masters from SVR Technologies who guides for What Is SQL Server Dba to deliver you a conception of the nature of questions which may be asked in an interview. Your role and responsibilities carried out in your earlier projects that would be of significance to the potential employer. How do we delete a login ? Below is the example for the sameSELECT ROW_NUMBER() OVER(ORDER BY EmpSalary DESC) AS Row FROM Employees WHERE Emp Name Name IS NOT NULL. Here we provide most common interview question and answers for sql server and rdbms. It’s important to think about how to show that knowledge to portray yourself as the best candidate for the job. Explain about your SQL Server DBA Experience?Answer: This is a generic question often asked by many interviewers. 22. Stored procedures can encapsulate logic. A. DELETE LOGIN login_name B. We hope these SQL Server DBA Interview Questions and answers are useful and will help you to get the best job in the networking industry. That is, one Instance of SQL Server is running on each of the nodes always; when one of the nodes has a failure, both the Instances run on the only one node until the failed node is brought up (after fixing the issue that caused the node failure). DeNormalization – It is the process of accessing the data from higher to lower normalization forms. So, you, however, have a chance to move forward in your career in SQL Server Dba Development. 15. One of the best known feature introduced in SQL Server 2012 is “AlwaysOn” which makes use of existing HA/DR features and provide additional features like Availability Groups. 3. Microsoft Press Books and Book on Line (BOL) refers to it as Heap. 17. When setting Replication, is it possible to have a Publisher as 64 Bit SQL Server and Distributor or Subscribers as a 32 Bit SQL Server?Answer: Yes, it is possible to have various configurations in a Replication environment. 29. A non clustered index is a special type of index in which the logical order of the index does not match the physical stored order of the rows on disk. Because Transact-SQL supports recursion, you can write stored procedures that call themselves. If one server fails, the other server will have the same DB and can be used as the Disaster Recovery plan. Published On: November 23, 2018. 37. DMV and DMF Query SELECT er.session_id AS SPID, ses.STATUS AS Status, Here we provide most common interview question and answers for … 11. 10. From within Query Analyzer is an option called “Show Execution Plan” (located on the Query drop-down menu). Many-to-Many relationships are implemented using a junction table with the keys from both the tables forming the composite primary key of the junction table. I would recommend you read more material on log backups and log file behavior and so on to understand in depth. So Indexing improves the performance as the retrieval of data takes less time. What is it used for?Answer: Unindexed table or Heap. 8. What is CHECK Constraint?Answer: A CHECK constraint is used to limit the values that can be placed in a column. A subquery should be placed in the right-hand side of the comparison operator of the main query. Clustering can be best described as a technology that automatically allows one physical server to take over the tasks and responsibilities of another physical server that has failed. 1 NF – Removing the duplicate records from the table by assigning the primary key to a table. Also, TDE can protect the database backups of the instance on which TDE was setup. To achieve the desired job as SQL Server Dba Developer you need to go through the advanced topic in SQL Server Dba Interview Questions 2018 provided by SVR Technologies. In this blog I am discussing the SQL Server Interview Questions answers on Database Mirroring. Also Read: Advanced SQL Server Interview Questions. 11. Explain unique key in Sql Server?Answer: Unique Key constraint will enforce the uniqueness of values in the list of columns of the table. 33. Here you can check SQL Server Training details and SQL Videos for self learning. List out different types of normalizations in Sql Server and explain each of them?Answer: 41. 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