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Leetcode questions. It was a lot of leetcode.
Hackerrank with 2 string based questions
I applied via Campus Placement and was interviewed before Jun 2019. There were 4 interview rounds.
I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.
Nodejs assignment was given
I applied via Campus Placement and was interviewed before Sep 2021. There were 3 interview rounds.
Basic aptitude and graduation based OS, CN, DAA and DBMS questions
I applied via Naukri.com and was interviewed before Oct 2021. There was 1 interview round.
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
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
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 availabl...
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.
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 ...
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 affecte...
I applied via Naukri.com
According to skills and experience
I applied via Approached by Company and was interviewed before Nov 2023. There was 1 interview round.
I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.
Basic LIS problem. Coded using Java. Asked to improve it using collections.
Find the longest substring without repeating characters in an array of strings.
Iterate through each string in the array
Use a set to keep track of characters seen so far
Update the longest substring length as you iterate
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