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10+ Genstrive Interview Questions and Answers

Updated 13 Feb 2025

Q1. Difference between clustered and non clustered index

Ans.

Clustered index determines the physical order of data in a table, while non-clustered index has a separate structure.

  • Clustered index sorts and stores the data rows in the table based on their key values, while non-clustered index has a separate structure that contains the key values and a pointer to the data row.

  • A table can have only one clustered index, while it can have multiple non-clustered indexes.

  • Clustered index is faster for retrieving large amounts of data, while non-...read more

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Q2. Difference between execute scalar and execute nonquery

Ans.

ExecuteScalar returns single value while ExecuteNonQuery does not return any value.

  • ExecuteScalar is used for retrieving a single value from the database, such as a count or sum.

  • ExecuteNonQuery is used for executing SQL statements that do not return any value, such as INSERT, UPDATE, DELETE.

  • ExecuteScalar returns the first column of the first row of the result set, while ExecuteNonQuery returns the number of rows affected by the query.

  • ExecuteScalar is faster than ExecuteNonQuer...read more

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Q3. Difference between rank and dense rank in c#

Ans.

Rank assigns unique numbers to each distinct value, while dense rank assigns consecutive numbers to each distinct value.

  • Rank and DenseRank are used to assign a unique number to each distinct value in a sorted list.

  • Rank assigns a unique number to each distinct value, but leaves gaps for ties.

  • DenseRank assigns consecutive numbers to each distinct value, without leaving gaps for ties.

  • In C#, Rank and DenseRank are available as LINQ extension methods.

  • Example: Given a list of score...read more

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Q4. Difference between function and Stored procedure

Ans.

Functions return a value while stored procedures do not.

  • Functions are used to perform a specific task and return a value to the caller.

  • Stored procedures are used to execute a set of statements and do not return a value.

  • Functions can be used in SQL statements while stored procedures cannot.

  • Functions can be called from within stored procedures.

  • Functions can be used in expressions while stored procedures cannot.

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Q5. Difference between ienumerable and iqueryable

Ans.

IEnumerable is read-only and forward-only while IQueryable is queryable and can be filtered.

  • IEnumerable is used for in-memory collections while IQueryable is used for querying databases.

  • IQueryable is more efficient for large datasets as it allows for server-side filtering.

  • IQueryable extends IEnumerable and adds additional functionality for querying data sources.

  • Example: IEnumerable numbers = new List { 1, 2, 3 }; IQueryable queryableNumbers = numbers.AsQueryable();

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Q6. Reflection and indexers in c#

Ans.

Reflection and indexers in C#

  • Reflection allows inspecting and manipulating metadata of types, objects, and assemblies at runtime

  • Indexers provide a way to access elements of a class or struct using array-like syntax

  • Reflection can be used to dynamically access and invoke indexers

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Q7. What is difference between interface and abstract class

Ans.

An interface is a contract that defines the methods that a class must implement, while an abstract class can provide some implementation.

  • An interface can only have abstract methods, while an abstract class can have both abstract and non-abstract methods.

  • A class can implement multiple interfaces, but can only inherit from a single abstract class.

  • Interfaces are used to achieve multiple inheritance in Java.

  • Abstract classes can have instance variables, constructors, and static me...read more

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Q8. How react works and how javascript works

Ans.

React is a JavaScript library for building user interfaces, while JavaScript is a programming language used for web development.

  • React is a library for building UI components that update dynamically based on data changes.

  • React uses a virtual DOM to efficiently update the actual DOM.

  • JavaScript is a programming language used to create interactive elements on web pages.

  • JavaScript can be used to manipulate HTML elements, handle events, and interact with APIs.

  • React can be used with...read more

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Q9. what are your key strength and area for improvement?

Ans.

Key strength is leadership and area for improvement is delegation.

  • Key strength: Strong leadership skills demonstrated through successful team management and project execution.

  • Area for improvement: Delegation skills can be further developed to empower team members and improve efficiency.

  • Example: Successfully led a cross-functional team to launch a new product, but could have delegated tasks more effectively to streamline the process.

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Q10. life cycle of UIview controller

Ans.

The life cycle of a UIView controller includes methods for initialization, appearance, disappearance, and deallocation.

  • ViewDidLoad - called when the view controller's view is loaded into memory

  • ViewWillAppear - called before the view is added to the view hierarchy

  • ViewDidAppear - called after the view is added to the view hierarchy

  • ViewWillDisappear - called before the view is removed from the view hierarchy

  • ViewDidDisappear - called after the view is removed from the view hierar...read more

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Q11. What is enum

Ans.

Enum is a data type that consists of a set of named values.

  • Enums are used to define a set of constants that can be assigned to a variable.

  • They make code more readable and maintainable.

  • Example: enum Color { RED, GREEN, BLUE }

  • Enums can also have values assigned to them, like enum Size { SMALL = 1, MEDIUM = 2, LARGE = 3 }

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Q12. How to deal with complicated Network.

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Q13. Dictation on Shorthand

Ans.

Dictation on shorthand involves transcribing spoken words into shorthand symbols for efficient note-taking.

  • Practice listening skills to accurately transcribe spoken words

  • Familiarize yourself with common shorthand symbols and abbreviations

  • Use shorthand techniques like omitting vowels and using phonetic spelling

  • Transcribe the dictation accurately and efficiently to ensure clarity and understanding

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