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LinkedList is a data structure where each element is connected to the next element through a pointer.
Each element in a LinkedList is called a node and contains data and a reference to the next node.
LinkedList allows for dynamic size and efficient insertion and deletion of elements.
Example: LinkedList can be used to implement a stack or queue data structure.
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
OOPS focuses on creating objects that interact with each other to solve problems
It involves concepts like inheritance, encapsulation, polymorphism, and abstraction
Example: Inheritance allows a class to inherit properties and behavior from another class
I applied via Campus Placement and was interviewed in Nov 2023. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Sep 2023. There were 2 interview rounds.
Everything was asked (quants, reasoning, english)
What people are saying about Dell
Test was kind of moderate
Dell interview questions for designations
I applied via Campus Placement and was interviewed before Oct 2022. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Sep 2020. There were 4 interview rounds.
I was interviewed in Feb 2017.
Normalization to BCNF ensures that every non-trivial functional dependency is satisfied.
Identify all functional dependencies
Eliminate partial dependencies
Eliminate transitive dependencies
Ensure every determinant is a candidate key
HAVING clause is used with GROUP BY to filter groups, WHERE clause is used to filter rows.
HAVING clause is used with GROUP BY clause to filter groups based on aggregate functions.
WHERE clause is used to filter rows based on conditions.
HAVING clause is used after GROUP BY clause, while WHERE clause is used before GROUP BY clause.
HAVING clause can use aggregate functions, while WHERE clause cannot.
Example: SELECT categor...
I applied via Naukri.com and was interviewed before Mar 2021. There were 2 interview rounds.
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