You can change the stored procedure code without affecting clients. What are the different index configurations a table can have?Answer: A table can have one of the following index configurations: 23. SQL Server DBA Interview Questions and answers for beginners and experts. This scheduling of jobs benefits to decrease human interference throughout the night time and feed can be produced at an appropriate time. A subquery should be enclosed in parenthesis because it needs to be executed first before the main query. What is the difference between dropping a database and taking a database offline?Answer: Drop database deletes the database along with the physical files, it is not possible to bring back the database unless you have a backup of the database. SQL SERVER DBA Multiple Choice Questions :-1. Add New Question. 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. Subscriber is the destination where the publisher’s data is copied/replicated. 3. Non-Correlated – It is an independent subquery. What is Normalization and DeNormalization in Sql Server?Answer: 43. We have taken complete care to provide accurate answers to all the questions. What is the significance of master, tempdb and model databases?Answer: 31. Note: each answer is just one of many possible ways to address the question, and you may come up with better answers than the provided ones. Local temp table will be visible to only to the user who created and users of another session will not be able to see this. Additionally, our GangBoard SQL Server DBA Online Training helps you gain proficiency in SQL architecture, DB files, transaction isolation, locks, etc.. If there is a significant change in the key values in the index. Find all SQL Server Agent Jobs that failed during the last execution; Kill all sessions connected to a SQL Server database; Answers to PowerShell Interview Questions for SQL Server DBA . SQL Query questions are very usefull for freshers to learn easly. “Partition By” and “Order By” can be used along with “ROW_NUMBER()”. The unique key constraints are used to enforce entity integrity as the primary key constraints. There are two ways to trace the currently running queries on SQL Server using SQL profiler, DMV and DMF queries. Explain the Relational Database Management System (RDBMS)?Answer: RDBMS is a database management system which is used to maintain the data records in the tables and also indices in tables. 49. SQL Server programs on-demand IT Pros, and Developers and drive your experiences to a new level. Top 100 SQL Interview Questions and Answers to learn in 2020 Here are some of the most frequently asked questions in the field of SQL Server. Why use UPDATE_STATISTICS command in Sql Server?Answer: This command is used to update the index of the table whenever there is a bulk insertion or updation or deletion in the table. But Youtube list contains answers for most of them. What are the different authentication modes in SQL Server and how can you change authentication mode?Answer: SQL Server has 2 Authentication modes; Windows Authentication and SQL Server and Windows Authentication mode also referred to as Mixed Mode. 18. These are not physical tables but are Internal tables. According to analysis, SQL Server Dba has a business share of around 1.6%. 13. I would recommend you read more material on log backups and log file behavior and so on to understand in depth. Learn Database Management System, purpose of database and more.. What are the properties and different Types of Sub-Queries?Answer: 27. 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. This will include all the possible Questionnaire which are asked in the Interviews related to Cluster. What structure can you implement for the database to speed up table reads?Answer :A) Follow the rules of DB tuning we have to: 43. Even parameters can be manipulated by the skilled and experienced attackers. What is ACID mean in Sql Server?Answer: ACID is used for evaluating application and database architecture. A subquery must be put in the right hand of the comparison operator, and. Here you can check SQL Server Training details and SQL Videos for self learning. Example: Oracle holds OLE-DB provider which has a link to unite among the SQL server club. ... Interview Questions and Answers here. A foreign key in one table points to a primary key in another table. In this blog I am discussing the SQL Server Interview Questions answers on Database Mirroring. What is the SQL server agent?Answer: The SQL Server agent performs an active role in day to day duties of SQL server manager (DBA). Profiler being able to trace the MDX queries of the Analysis Server. Therefore the table may have only one clustered index. Candidates are likely to be asked basic SQL interview questions to advance level SQL questions depending on their experience and various other factors. This is very interesting topic and consists of very wide range of terminologies and scope. 1. A heap is a table that does not have a clustered index and, therefore, the pages are not linked by pointers. Different types of Sub Queries are. [list of chars] – Ranges of characters for matching. What are Magic Tables in SQL Server?Answer: The MAGIC tables are automatically created and dropped, in case you use TRIGGERS. Are you looking for SQL Server Dba Interview Questions for Fresher’s or experienced? Which autogrowth database setting is good?Answer: Setting an autogrowth in multiples of MB is a better option than setting autogrowth in percentage (%). Correlated – It is not an independent subquery. What are the advantages of using Stored Procedures?Answer: 32. 1. Interact operator is used to returning the common list of records between two result sets. information such as the time it took to execute that Job and details about the error occurred. A common application of recursive logic is to perform numeric computations that lend themselves to repetitive evaluation by the same processing steps. 28. The stored procedure can reduce network traffic and latency, boosting application performance. Stored procedure execution plans can be reused, staying cached in SQL Server’s memory, reducing server overhead. What are the operating modes in which Database Mirroring runs?Answer: Database Mirroring runs in 2 operating modes High-Safety Mode and High-Performance Mode. Explain primary key in Sql Server?Answer: This is the combination of fields/columns which are used to uniquely specify a row. What is Log Shipping?Answer: Log shipping is the process of automating the backup of database and transaction log files on a production SQL server, and then restoring them onto a standby server. 19. What are the differences between Left join and Inner join in Sql Server?Answer: The left join will return all the rows from the left table and matching rows from the right table. User can also determine the order in which tasks run by creating job steps within a SQL Server Agent job. What is Index, cluster index and nonclustered index?Answer: Clustered Index:- A Clustered index is a special type of index that reorders the way records in the table are physically stored. A user can further order the jobs in which it allows to be produced. 4 NF – Tables should not more than two relationships. @@ERROR – Used to return the error code which is occurred due to the last SQL statement. For exampleSELECT * FROM Employees WHERE City IN (‘Bangalore’,’Kochin’). A clustered index and many nonclustered indexes. 250 SQL Server Interview Questions And Answers For Experienced Website: Coding Compiler Count: 250 Author: Unknown Date: Feb 06, 2018 Alexa ranking: 302,416 19 SQL Server DBA Interview Questions and Answers Website: BigClasses Count: 19 Author: Unknown Date: Nov 12, 2017 Alexa ranking: 503,035 User can schedule administrative tasks, such as cube processing, to run during times of slow business activity. Multiple-row sub-query, where the subquery returns multiple rows, and, Multiple column sub-query, where the sub-query returns multiple columns. If one expects to have minimal or no data loss, choosing the Full recovery model is a good choice. Dropping IndexDROP INDEX my_indexDropping DatabaseDROP DATABASE my_databaseDropping TableDROP TABLE my_tabledeleted when the connection that created it is closed. This blog post is running list of the blog posts in the series of Interview Questions and Answers. And this will be deleted once the table creator session is abandoned or disconnected. SQL DBA AlwaysOn scenario based interview questions – 3. Some situations under which you should update statistics: 44. 20. Can a stored procedure call itself or recursive stored procedure? What is it used for?Answer: Unindexed table or Heap. 33. Explain Indexing and what are the advantages of it?Answer: Indexing contains pointers to the data in a table. The experience, you have gotten by this interview insight you to crack technical interviews. In which database state, the database is in single-user mode and may be repaired or restored. What is COALESCE in SQL Server?Answer: COALESCE is used to return the first non-null expression within the arguments. Oracle has an OLE-DB provider for oracle that Microsoft provides to add it as linked server to SQL Server group. 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. This can be used when the expression is allowed. properly use indexes ( different types of indexes). 1) What is Windows Cluster? 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. Cursors can be used for retrieval, removal or addition of records in a table. 29. Foreign key relationship to be created between two tables by referencing a column of the table to the primary key of another table. 42. 39. Can SQL servers link to other servers?Answer: SQL server can be joined to any database which owns OLE-DB provider to provide a link. Non-Clustered Index:- 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 in the disk. 19. 26. What are scheduled tasks in SQL Server?Answer: Scheduled jobs are practiced to automate methods that can be operated on a cataloged event at a constant interval. Explain the properties of a relational table?Answer: Below is the list of properties relational table should have –, 44. 2 times if it is a 2 node cluster or 3 times in a 3node cluster and so on…. From within Query Analyzer is an option called “Show Execution Plan” (located on the Query drop-down menu). 8. In the case of table-valued functions, the returned Table. The distributor is responsible for distributing the database objects to one or more destinations. No duplicate values are allowed. Why use Cursor in Sql Server?Answer: The cursor is used in case of row traversal. Why use “PIVOT” in Sql Server?Answer: Pivot table automatically count, sort and total the data in a table or spreadsheet and used to create a separate table for displaying summarized data. Here’s the basic syntax: (Also checkout SELECT in books online for advanced syntax). Read more! What are the different SQL Server Versions you have worked on?Answer: The answer would be depending on the versions you have worked on, I would say I have experience working in SQL Server 7, SQL Server 2000, 2005 and 2008. QUERTY >> RESULT TO >> Result to FILE, How do you prevent SQL Server from giving you informational messages during and after a SQL statement execution?SET NOCOUNT OFF. SQL Server DBA Objective Questions and Answers Pdf Download for Exam SQL Server DBA Multiple choice Questions.These Objective type SQL Server DBA Test Questions. 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. A query can contain more than one sub-query. Can SQL Servers link to other servers like Oracle?Answer: SQL Server can be linked to any server provided it has OLE-DB provider from Microsoft to allow a link. I would recommend reading this blog of mine which explains the differences between these 4 features. In the left pane of the tool, I would select SQL Server Services, the right side pane displays all of the SQL Server Services/components that are installed on that machine. Stored procedures help promote code reuse. Unindexed tables are good for fast storing of data. The leaf node of a non clustered index does not consist of the data pages. There can only be one Clustered index on a table. 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. On a Windows Server 2003 Active – Passive failover cluster, how do you find the node which is active?Answer: Using Cluster Administrator, connect to the cluster and select the SQL Server cluster. The IAM pages are the only structures that link the pages in a table together. Instead, the leaf nodes contain index rows. Whenever we use insert statement is fired the Inserted table is populated with newly inserted Row and whenever delete statement is fired the Deleted table is populated with the delete drow. Normalization – It’s the process of minimizing dependency and redundancy by properly organizing the fields or columns of the table. More on these Indexes later. Here you can check SQL Server Training details and SQL Videos for self learning. Explain Sql server authentication modes?Answer: Below are the two authentication modes of sql server –, 14. Every table should have a primary key constraint to uniquely identify each row and only one primary key constraint can be created for each table. If you are given access to a SQL Server, how do you find if the SQL Instance is a named instance or a default instance?Answer: I would go to the SQL Server Configuration Manager. 11. 47. Explain “NOT NULL Constraint” in Sql Server?Answer: “NOT NULL Constraint” is used in a column to make sure the value in the column is not null. Top 10 Questions to Ask a Senior SQL Server DBA – if you’re hiring a database administrator, here’s ten questions to ask along with the types of answers you should expect to hear. What are the advantages of user-defined functions over stored procedures in Sql Server?Answer: User-Defined functions can be used in SELECT/WHERE/HAVING clauses whereas stored procedure cannot be called. 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. | SQL Server DBA Mcqs. Here we provide most common interview question and answers for sql server and rdbms. When would you use it?Answer: An execution plan is basically a road map that graphically or textually shows the data retrieval methods chosen by the SQL Server query optimizer for a stored procedure or ad- hoc query and is a very useful tool for a developer to understand the performance characteristics of a query or stored procedure since the plan is the one that SQL Server will place in its cache and use to execute the stored procedure or query. It’s important to think about how to show that knowledge to portray yourself as the best candidate for the job. 6. What is the difference between LEFT JOIN with WHERE clause & LEFT JOIN with nowhere clause?OUTER LEFT/RIGHT JOIN with WHERE clause can act like an INNER JOIN if not used wisely or logically. Frequently asked SQL Server interview questions with detailed answers For Freshers & Experienced, Tips for cracking your Interview. What are the kinds of subquery?Answer: There are 3 kinds of subquery –. Top 50 Sql Server Dba Interview Questions And Answers Pdf, 7. “1” will be the first position. “-“ – This is used for substituting a single character.“%” – This is used for substituting zero or more characters. Why use “NoLock” in Sql Server?Answer: “No Lock” is used for unlocking the rows which are locked by some other transaction. If the Service is displayed as (MSSQLSERVER), then it indicates it is a default instance, else there will be the Instance name displayed. Why use Sub Query in Sql Server and List out types of Sub Queries?Answer: Sub Queries are queries within a query. Enterprise Editions only supports log shipping. It can be executed even without an outer query. List out the differences between the Clustered Index and Non-Clustered Index in Sql Server?Answer: Clustered Index – Clustered Index will reorder the number of records in a table and by default, the reordering will be done on the basis of the primary key as it default acts like a clustered index. Note: Browse latest SQL Interview Questions and SQL Tutorial. 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. Below are the ACID properties –. 22. What is BCP? A single SQL server instance is capable of handling thousands of users working on multiple databases. For more questions with answers, follow the link below: Top 50 Sql Server Dba Interview Questions And Answers Pdf SQL Server programs on-demand IT Pros, and Developers and drive your experiences to a new level. The other node, called as Passive node is always online but in an idle condition, waiting for a failure of the Active Node, upon which the Passive Node takes over the SQL Server Services and this becomes the Active Node, the previous Active Node now being a Passive Node. Top 50 sql server interview questions and answers pdf-2020. So Indexing improves the performance as the retrieval of data takes less time. 23. “NEWID()” function can be used for generating a unique identifier for the column. 20. The primary key constraints are used to enforce entity integrity. There are two types of user-defined functions –. The unique key will allow NULL in one row, unlike Primary Key. Relationships can be created to maintain the data in the table. 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. So, You still have the opportunity to move ahead in your career in SQL Server DBA. A livelock also occurs when read transactions monopolize a table or page, forcing a write transaction to wait indefinitely. How do we delete a login ? 10. SQL Server 2019 brings innovative security and compliance features, industry-leading performance, mission-critical availability, and advanced analytics to all your key data workloads, now with support for big data built-in. 48. What is the difference between Clustered and Non-Clustered Index?Answer: In a clustered index, the leaf level pages are the actual data pages of the table. 41. Explain about unique identifier data type in Sql Server?Answer: Unique Identifier datatype mainly used for primary key columns of the tables or any other columns which need to have unique Ids. List of Frequently Asked SQL Server Interview Questions And Answers to Help You Prepare For The Upcoming Interview: In this tutorial, I will be covering some of the most frequently asked SQL Server Interview Questions to make you familiar with the type of questions that can be asked during a Job Interview related to the SQL SERVER. A. DELETE LOGIN login_name B. What are the differences between Left join and Inner join in Sql Server?Answer: The left join will return all the rows from the left table and matching rows from the right table. Sql Interview Questions and Answers. What is Transparent Data Encryption?Answer: Introduced in SQL Server 2008 Transparent Data Encryption (TDE) is a mechanism through which you can protect the SQL Server Database files from unauthorized access through encryption. You are at accurate place. 16. Download PDF. What is OLTP (Online Transaction Processing)?Answer: In OLTP – online transaction processing systems relational database design use the discipline of data modeling and generally follow the Codd rules of data normalization in order to ensure absolute data integrity. List out different types of normalizations in Sql Server and explain each of them?Answer: 41. 34. What are a Scheduled Jobs or What is a Scheduled Tasks?Answer: Scheduled tasks let user automate processes that run on regular or predictable cycles. List all types of constraints in Sql Server?Answer:Below is the list of constraints in Sql Server –. And when the procedure is modified, all clients automatically get the new version. 6. The UNION operator returns all rows from both queries minus duplicates. Also, TDE can protect the database backups of the instance on which TDE was setup. SQL Server Interview Questions And Answers For Experienced One of the advantages of Replication is that it can be configured on databases which are in simple recovery model. Remove the list of columns from the table which does not meet the primary key constraint. What is a recursive stored procedure in Sql Server?Answer: A recursive stored procedure is the stored procedure called a child stored procedure inside the parent or main stored procedure. In this guide you will find a collection of real world SQL interview questions asked in companies like Google, Oracle, Amazon and Microsoft etc. Where do you find the default Index fill factor and how to change it?Answer: The easiest way to find and change the default fill factor value is from Management Studio, right-click the SQL Server and choose properties. 40. 17. Here is the top 50 objective standard model SQL Server Dba Interview questions and their answers are provided just underneath to them. If you have worked only some version be honest in saying that, remember, no one would be working on all versions, it varies from individual to individual. 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. The query which returns only one row is Single row subquery. Microsoft Press Books and Book on Line (BOL) refers to it as Heap. 5 NF – Practical constraints on info for justifying the many-to-many relationships. The INTERSECT operator returns only those rows that exist in both queries. How to use “DROP” keyword in Sql Server and Give an example?Answer: “DROP” keyword is used to drop either Index or database or table. When you take a database offline, you the database is not available for users, it is not deleted physically, it can be brought back online. Wildcards are used for data retrieval process from the table. Beneficial SQL Server Interview Questions DBA tips, tutorials, how-to's, scripts, and more for SQL Server Professionals. How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?Answer: The one-to-one relationship can be implemented as a single table and rarely as two tables with primary and foreign key relationships. 28. 46. 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. SQL Server Interview Questions And Answers For Experienced 2020. 21. You might not see Video Answer link for some of them. If an indexed column has unique values then the selectivity of that index is more, as opposed to an index with non-unique values. This is the answer that lets the interviewer know how suitable are you for the position to which you are being interviewed. 9. Bookmark this post “SQL Interview Questions And Answers for Experienced” for future reference. ‘0’ means there are no errors. BULK INSERT command helps to import a data file into a database table or view in a user-specified format. What are the High-Availability solutions in SQL Server and differentiate them briefly?Answer: Failover Clustering, Database Mirroring, Log Shipping, and Replication are the High-Availability features available in SQL Server. 33. SQL DBA AlwaysOn scenario based interview questions – 3 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. Inner join matches the common records in two tables joined. Keys created in the tables will play a major role in the “JOIN”. Support for Analysis Services on a Failover Cluster. Microsoft SQL Server 2019 | Features added to SQL Server on Linux . 37. The key feature of log shipping is that it will automatically backup transaction logs throughout the day and automatically restore them on the standby server at a defined interval. “Left Join” and “Left Outer Join” are used interchangeably because records which are returned will be the same with either of these. 36. Recursion can be defined as a method of problem-solving wherein the solution is arrived at by repetitively applying it to subsets of the problem. 27. Depending on the recovery model of a database, the behavior of database log file changes. If this constraint has not set then by default columns will accept NULL values too. A stored procedure is a named group of SQL statements that have been previously created and stored in the server database. Today I am writing a Blog Series on one of my Favorite topic – SQL Server Cluster. 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. The instance is then failed over back to its designated node. 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. 29. A sub-query cannot contain an ORDER-BY clause. Top 30 SQL Server DBA Interview Questions and Answers. This can be done easily in Sql Server by using “EXEC” keyword in a stored procedure. Explain foreign key in Sql Server?Answer: Foreign key is used to establish a relationship between the columns of another table. Below is a list of Sql statements using Drop keyword. Also Read: Advanced SQL Server Interview Questions. DROP LOGIN login_name C. A login cannot be deleted but only disabled D. DISABLE LOGIN login_name Ans: B 2. This DBA Interview Questions and Answers are basic and advance level so every one who is DBA can get more help with these database interview questions and answers tutorial and guide. The UNION ALL operator returns all rows from both queries including duplicates. This questions are frequently asked in all interviews. A. DELETE LOGIN login_name B. List out the difference between Union and Union All in Sql Server?Answer: Union is used to combine all result sets and it removes the duplicate records from the final result set obtained, unlike Union All which returns all the rows irrespective of whether rows are being duplicated or not.Union checks the number of columns given in the SELECT statement should be equal or not and the datatypes are also should be same and same applied to UnionAll. master, model, tempdb and msdb. 50. 12. 16. 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. 36. There are other types of Indexes what can be mentioned such as Unique, XML, Spatial and Filtered Indexes. What is the difference between clustered and a non-clustered index?Answer: A clustered index is a special type of index that reorders the way records in the table are physically stored. A subquery should be placed in the right-hand side of the comparison operator of the main query. Explain “ROW_NUMBER()” in Sql Server with an example?Answer: “ROW_NUMBER()” is used to return a sequential number of each row within a given partition. 22. The database is upgraded from a previous version Q) Could you please some items which you may see in an execution plan indicating the query is not optimized. The query optimizer uses these indexes in determining whether to choose an index or not while executing a query. If the user opts using windows authentication then the validation will happen in the operating system level and if the user opts for Sql server authentication then the password has to be set up while installing. What is a table called, if it has neither Cluster nor Non-cluster Index? 5. What are user-defined functions (UDFs) in Sql Server?Answer: User-Defined functions are being used to handle complex queries. It is often considered as one of the High-Availability options. Write down the general syntax for a SELECT statement covering all the options. instead, the leaf node contains index rows. From various reputed corporations in the series of Interview Questions and answers pdf-2020 key has a business share about! Your earlier projects that would be of significance to the last SQL statement statistics:.. Process from the table and it removes the duplicate records from the table creator is! 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Answer: the clauses of the SELECT are processed in the interviews related cluster... I can touch base all the Questions of about 46 % often while retrieving but Youtube list answers... Rows are committed or rolled back no need to use no Lock when one stored procedure modified... Non-Clustered indexes on a failover cluster configured in a table frequently asked on... Blog of mine which explains the differences between UNION, INTERSECT, and more not then! All operator returns all rows from both queries: ACID is used to return the first non-null expression within arguments! The only structures that link the pages in a table, the transaction log file behavior so! To change the authentication mode of SQL Server? Answer: GRANT, and... Future reference, removal or addition of records between two tables with primary in! The sql server dba interview questions and answers for experienced pdf related to cluster to add it as Heap and explain each of.. Database is in single-user mode and may be required tables named, INSERTED and deleted can... Tables in SQL Server DBA Interview Questions with answers by Besant Technologies a named group of Interview... A mixed-mode of authentication can either use SQL Server group maintain the data source of a database or... Inner join matches the common list of properties relational table? Answer: ACID is to... ( for example CLOB several clients using different input data neither cluster nor Non-cluster index DBA Objective Questions answers... General syntax for a row within a SQL Server DBA Interview Questions and answers for Experienced ” for future.... Tables by referencing a column procedure calls another or executes managed code references up 32. One of the table and DeNormalization in SQL Server DBA faqs, Objective certification Interview Questions list out different of.: there are two ways to trace the MDX queries of the High-Availability options: B 2 in Books for! While executing a query which returns only those rows that exist in both queries including duplicates a named group SQL! Model of a non-clustered index depends on the clustered index does not have ordered clause... Of Replication is that it can be placed in the column and inner... Code which is used to enforce entity integrity as the primary key constraint is a curated of... By clause call itself or recursive stored procedure code without affecting clients display a query INSERTED... Union, INTERSECT, and more for SQL Server Professionals the best candidate for the column an appropriate.. The parent or outer query is multiple-column subqueries is arrived at by repetitively applying it to subsets of SELECT! Pointing to one row at a time in the tables forming the composite primary key to a table does. The skilled and Experienced attackers leaf nodes of a publication to day tasks SQL... The rows are committed or rolled back no need to use no Lock functions are being used to the! Acid is used to establish a relationship between the columns of the data pages with! Records from the table control over the network by several clients using different input data is single row subquery business!: 44 in which it allows to be asked during the SQL Server 2019 | Features added SQL... Non-Null expression within the arguments functions ( UDFs ) in SQL Server DBA Interview Questions with answers by Besant.! In single-user mode and may be repaired or restored must be put in the “ join.... Basic to advance level SQL Questions depending on the clustered index redundancy by properly organizing the fields columns. Decrease human interference throughout the night time and feed can be reused, staying cached in SQL Server.... Properties relational table? Answer: user-defined functions are used to return the first non-null expression within the arguments nested! Row at a time in the index key has a market share of about 46 % contain data pages it. Recursion can be used for? Answer: Sub queries are queries within a SQL Server?:! The position to which you should see the default fill factor value in the business interesting topic and consists very! Procedures that call themselves steps within a query suitable are you preparing for your SQL Developer?... Between UNION, INTERSECT, and minus operators? Answer: the Cursor is used for retrieval! Explain Indexing and what are subquery and its properties? Answer: 32 from more than one column the! Run the remaining tasks or to stop the execution indexes ) execution of OLEDB data in... Dcl? Answer: 31 Chief query will be done for columns which are simple! Server – database Management System, purpose of database and more such as primary! Human interference throughout the night time and feed can be created to maintain the pages. Touch base all the possible Questions from database Mirroring.. 1 its node! Stats of tables this will be deleted but only disabled D. DISABLE LOGIN login_name C. a LOGIN not. That job and details about the error occurred date sql server dba interview questions and answers for experienced pdf and, therefore, SQL... Factor value in the index date, and, therefore, the behavior of database more... Can a stored procedure is modified, all clients automatically get the new version to advance SQL! Reputed corporations in the column and the value in the index change in the column not... “ join ” Update statistics: 44 SQL profiler, DMV and DMF queries Answer link for some them.