Top 150 Most Frequently Asked SQL Server Interview Questions and Answers

Most Frequently Asked SQL Server Interview Questions and Answers 1 What is the SQL Server? 2 What are the advantages of the SQL Server? 3 What are the requirements specific to the SQL server? 4 Mention the list of Editions in SQL Server 2008 R2. 5 Mention the list of specialized editions in SQL Server 2008 R2. 6 Why is the SQL profiler required by the SQL Server? 7 Why is the SQL Profiler used in a SQL server? 8 Differentiate between TRUNCATE and DELETE. 9 Which statement can be Rolled back: TRUNCATE and DELETE? `10 What do you know about extended stored procedures? 11 How does one execute any DOS command from SQL or using a SQL query by using the xp_cmdshell? 12 How does one insert a result set of the above proc in a SQL table? 13 What are cursors in the SQL server and what are their types? 14 Should the users use a cursor? 15 What are the alternatives of cursors in SQL server? 16 What are the different ways to execute a dynamic query? 17 How can a user migrate an SSIS package from Development to Production environment? 18 Differentiate between the COALESCE() and ISNULL(). 19 Mention the ideal combination with IN and UNION(ALL) based on performance. 20 What do you know about the IDENTITY column? 21 Can a user create a Primary Key without a clustered index? 22 What do you know about the ROLLUP and CUBE sets? 23 What are the different types of XML indexes? 24 What are the new indexes that have been introduced in the 2005 version of the SQl Server? 25 How are exceptions handled in the SQL Server programming? 26 What do you mean by virtual tables in Triggers? 27 Mention the various Isolation levels. 28 Mention the scope of a temporary table. 29 Is there a special name for a table with a ‘##’ placed before the name? 30 What is the scope of a Global Temp Table? 31 How can a user copy a schema from one SQL Server to another? 32 How can a user load large data in the SQL Server? 33 Up to how many levels can stored-procedures be recursive? 34 What is the maximum number of non-clustered indexes that can be present in a table? 35 What are the possible indexes that can be present in a table? 36 What is the difference between VARCHAR and VARCHAR2? 37 What do you mean by de-normalization? 38 How can a user get both error and a row at the same time? 39 How is an error handled in the SQL Server? 40 What do you know about the PatIndex? 41 How does a user contain query a String that contains a ‘%’? 42 How can a user get a value from a table with a separated comma? 43 How does a user update a ‘Yes’ or ‘No’ and vice versa in a SQL Query? 44 How does a user create a Temporary Table? 45 What is a ’nolock’? 46 Mention the different subsets present in SQL. 47 What is DBMS? 48 What are the different types of DBMS? 49 What is a table in SQL? 50 What is a field in SQL? 51 What do you mean by JOINS in SQL Server Programming? 52 Differentiate between CHAR and VARCHAR2 in SQL. 53 What do you mean by a Primary Key? 54 What do you mean by CONSTRAINTS in a SQL relation? 55 Differentiate between MySQL and SQL. 56 What do you mean by Unique Key? 57 What do you mean by a Foreign Key? 58 What is Data Integrity? 59 Differentiate between clustered and non-clustered index in SQL. 60 How is a SQL Query written to display the current date? 61 Describe the different types of joins present in SQL. 62 What do you mean by Entities? 63 What do you mean by relationships? 64 What do you mean by an Index? 65 What are the different types of Index present in SQL? 66 What do you mean by a Unique Index? 67 What do you mean by a Non-Clustered Index? 68 What do you mean by a Clustered Index? 69 What do you mean by Normalization? 70 What are the advantages of Normalization? 71 Differentiate between TRUNCATE and DROP methods. 72 What are the different types of Normalization? 73 What do you mean by the ACID property in database? 74 What is Trigger in SQL? 75 Mention the different types of operators available in SQL Server. For more questions, please visit: https://careerkaizen.com/sql-server-i...