SQL Table Valued Type Interview Questions and Answers

SQL Table Valued Type (TVT) Interview Questions and Answers

In SQL User Defined Table Type (UDDT) is also known as Table Valued Parameter (TVP) or Table-Valued Type (TVT).  Table-Valued Parameter is a new feature introduced in SQL SERVER 2008. We can use Table-Valued Parameter to send multiple rows of data to a stored procedure or a function without creating a temporary table or passing so many parameters.

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Below are some common interview questions based on the SQL Table Valued Type (TVT):

Q01. How can you pass a table to the stored procedure or function?

Q02. What is Table-Valued Parameter (TVP) or Table-Valued Type (TVT) in SQL?

Q03. In which version of SQL the Table-Valued Type(TVP) is introduced?

Q04. What is Memory-Optimized Table-Valued Type(TVP)?

Q05. How can you create a Table-Valued Type (TVP) in SQL?

Q06. How can you update the Table-Valued Type(TVP) definition?

Q07. Can you ALTER the schema of Table-Valued Type(TVP)?

Q08. What is the scope of the Table Valued Type(TVP)?

Q09. Can you add constraints and indexes on Table-Valued Type(TVP)?

Q10. Can you define computed columns in Table-Valued Type(TVP)?

Q11. Can you define index or filtered index in Table-Valued Type(TVP)?

Q12. Where does the Table-Valued Type(TVP) stored in SQL?

Q13. How can you check available Table-Valued Types(TVP) in the database?

Q14. Can you DELETE or UPDATE the data from Table-Valued Type(TVP)?

Q15. Can you TRUNCATE the Table-Valued Type(TVP)?

Q16. Can you use Table Valued Type(TVP) in Dynamic SQL Query?

Q17. Can a Table-Valued Type(TVP) be used as an OUTPUT parameter?

Q18. Can you return a Table-Valued Type(TVP) from a function in SQL?

Q19. Can you pass a Table-Valued Type(TVP) as an optional parameter to the stored procedure?

Q20. Can you pass a Table-Valued Type(TVP) as a nullable parameter to the stored procedure?

Q21. Can you pass Table-Valued Type(TVP) to CLR user-defined functions?

Q22. Does SQL maintain statistics on Table-Valued Type(TVP)?

Q23. What are the restrictions of the Table Valued Type(TVP)?

Q24. Can you use the Table-Valued Type(TVP) columns in a table with CREATE TABLE syntax?

Q25. Can any user use the Table-Valued Type(TVP) without any permission? What type of permission required for using the TVP?

Q26. Can you use the Table-Valued Type(TVP) on Linked Server or across databases?

Q27. Can you use Table Valued Type(TVP) in ADO.NET with System.Data.OleDb or System.Data.Odbc namespaces?

Q28. What is the difference between Table-Valued Type(TVP) and Table Variable?

Q29. What is the difference between Table-Valued Type(TVP) and Temp Table?

Q30. What is the difference between Table-Valued Type(TVP), Derived Table(DT), and Common Table Expression(CTE)?

Q31. Can you add a FOREIGN KEY Constraint in Table-Valued Type(TVP)?

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