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Data skewness refers to the imbalance in the distribution of data values within a dataset.
Data skewness occurs when certain values or categories appear more frequently than others in a dataset.
It can lead to performance issues in data processing and analysis.
To resolve data skewness, techniques like data partitioning, shuffling, and using appropriate algorithms can be employed.
For example, in a dataset of customer tran...
The output of the query will depend on the specific data in the tables being joined.
The result will be a combination of data from all 4 tables based on the join conditions specified in the query.
Make sure to check for any filtering conditions in the query that may limit the output.
The final result will include columns from all 4 tables, with rows that meet the join criteria.
What people are saying about Infosys
I applied via Referral and was interviewed before Oct 2021. There were 2 interview rounds.
I applied via Referral and was interviewed before Apr 2021. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Nov 2020. There were 4 interview rounds.
I applied via Referral and was interviewed in Apr 2021. There was 1 interview round.
Maximum on capital markets refers to the highest point of a financial market's performance.
The maximum on capital markets is often referred to as the market peak.
It is the point at which the market reaches its highest level before experiencing a decline.
Investors often try to predict when the market will reach its maximum in order to maximize their profits.
The maximum on capital markets can vary depending on the specif...
I applied via Company Website and was interviewed in Mar 2021. There was 1 interview round.
SOLID is a set of principles for object-oriented programming to make software more maintainable, scalable, and robust.
S - Single Responsibility Principle: A class should have only one reason to change.
O - Open-Closed Principle: A class should be open for extension but closed for modification.
L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.
I - Interface Segregation Principle: A c...
MVC is a software design pattern that separates an application into three interconnected components: Model, View, and Controller.
Model represents the data and business logic of the application
View is responsible for rendering the user interface
Controller handles user input and updates the model and view accordingly
MVC promotes separation of concerns and modularity
Examples: Ruby on Rails, ASP.NET MVC, Spring MVC
I applied via Referral and was interviewed before Jan 2021. There were 3 interview rounds.
I applied via Referral and was interviewed before Nov 2020. There were 5 interview rounds.
I applied via Naukri.com and was interviewed before Feb 2021. There were 2 interview rounds.
Routers connect different networks while switches connect devices within a network.
Routers operate at the network layer of the OSI model while switches operate at the data link layer.
Routers use routing tables to determine the best path for data to travel between networks while switches use MAC addresses to direct data within a network.
Routers can connect networks with different protocols while switches cannot.
Examples...
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