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I applied via Naukri.com and was interviewed before Jun 2022. There were 3 interview rounds.
Indexes are data structures that improve the speed of data retrieval operations on a database table.
Indexes are created on columns in a database table to quickly retrieve rows matching a certain condition.
They can be unique, allowing only unique values to be stored in the indexed column.
Examples include primary keys, foreign keys, and indexes on frequently queried columns.
The pillars of object oriented programming are encapsulation, inheritance, and polymorphism.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Allowing a new class to inherit properties and behavior from an existing class.
Polymorphism: The ability for objects of different classes to respond to the same message in different ways.
Interfaces are used to define contracts for classes to implement, while abstract classes can provide partial implementation.
Interfaces can only have abstract methods and cannot have any implementation, while abstract classes can have both abstract and concrete methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Interfaces are used to achieve multiple inheritance in Java, while...
Data warehouse is a centralized repository for storing and analyzing data from various sources to support decision-making processes.
Data warehouse stores historical data from different sources for analysis
It is used for reporting, querying, and data mining
Data is structured in a way that makes it easier to query and analyze
Examples: Amazon using data warehouse to analyze customer behavior, sales trends
Data warehouse he...
I appeared for an interview in May 2017.
posted on 18 Nov 2020
I applied via Referral and was interviewed before Nov 2019. There were 3 interview rounds.
I applied via Referral and was interviewed before Jul 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed before Jan 2020. There were 3 interview rounds.
Customer service is the assistance and support provided to customers before, during, and after a purchase.
Listen actively to customers and address their concerns promptly
Provide personalized and empathetic service
Offer multiple channels for customer support (e.g. phone, email, chat)
Train employees to handle difficult situations and provide solutions
Collect feedback and use it to improve service
Create a customer-centric
I applied via Referral and was interviewed before Feb 2021. There were 3 interview rounds.
Amcat examination
Speed test
I applied via Naukri.com and was interviewed before Sep 2020. There was 1 interview round.
posted on 10 Jun 2021
I applied via Recruitment Consultant and was interviewed before Jun 2020. There were 5 interview rounds.
I applied via Referral and was interviewed before Jul 2020. There were 4 interview rounds.
based on 1 interview
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