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I applied via LinkedIn and was interviewed before Sep 2021. There were 4 interview rounds.
A program to check if a given string is a palindrome or not.
Convert the string to lowercase to ignore case sensitivity
Use two pointers, one at the beginning and one at the end of the string
Compare the characters at both pointers and move them towards each other until they meet
If all characters match, the string is a palindrome
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I appeared for an interview in Aug 2020.
I applied via Naukri.com and was interviewed before Dec 2023. There was 1 interview round.
I am familiar with a variety of Excel formulas including VLOOKUP, SUMIF, COUNTIF, INDEX/MATCH, and IF functions.
VLOOKUP: Used to search for a value in a table and return a corresponding value from another column.
SUMIF: Adds the cells specified by a given condition or criteria.
COUNTIF: Counts the number of cells within a range that meet a certain condition.
INDEX/MATCH: Used together to look up a value in a table based o...
I applied via Naukri.com and was interviewed in Aug 2021. There were 5 interview rounds.
I applied via Recruitment Consultant and was interviewed in Oct 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed in Nov 2024. There were 3 interview rounds.
Two hours and 32 questions
DML commands are used to manipulate data in a database. Examples include INSERT, UPDATE, DELETE.
INSERT: Adds new data into a table
UPDATE: Modifies existing data in a table
DELETE: Removes data from a table
Joins are used to combine rows from two or more tables based on a related column between them.
INNER JOIN: Returns rows when there is at least one match in both tables
LEFT JOIN: Returns all rows from the left table and the matched rows from the right table
RIGHT JOIN: Returns all rows from the right table and the matched rows from the left table
FULL JOIN: Returns rows when there is a match in one of the tables
I applied via Referral and was interviewed in May 2022. There was 1 interview round.
Oops concept is a programming paradigm that focuses on objects and their interactions.
Oops stands for Object-Oriented Programming System
It emphasizes on encapsulation, inheritance, and polymorphism
Encapsulation is the process of hiding the implementation details of an object from the outside world
Inheritance allows a class to inherit properties and methods from another class
Polymorphism allows objects of different clas...
A database analyst is responsible for designing, maintaining, and optimizing databases.
Designing and implementing databases
Ensuring data accuracy and security
Optimizing database performance
Creating reports and analyzing data
Collaborating with other teams to ensure data integration
Proficiency in SQL and database management systems
Knowledge of data warehousing and data mining
Experience with ETL processes
Ability to troubl
Data analysis involves identifying patterns, trends, and insights from data to make informed decisions.
Define the problem and identify the data needed
Clean and preprocess the data
Explore the data using statistical methods and visualizations
Develop and test hypotheses
Communicate findings and insights to stakeholders
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