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Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
Power BI is a business analytics tool by Microsoft
It allows users to create interactive visualizations and reports
Users can connect to various data sources to gather insights
Power BI offers features like dashboards, data exploration, and collaboration tools
DAX (Data Analysis Expressions) is a collection of functions, operators, and constants that can be used in Power BI to create custom calculations.
DAX functions are used to create calculated columns, measures, and calculated tables in Power BI.
DAX functions can be used for data manipulation, aggregation, filtering, and more.
Examples of DAX functions include SUM, AVERAGE, CALCULATE, FILTER, and RELATED.
I applied via Naukri.com and was interviewed before Sep 2023. There were 3 interview rounds.
Establishing connections with data sources is crucial for Power BI development.
Identify the data sources you want to connect to, such as databases, files, APIs, etc.
Use Power BI's built-in connectors to establish connections to various data sources.
Configure the connection settings, such as server name, database name, authentication method, etc.
Import or connect to the data from the selected data sources to start build...
Optimizing reports in Power BI involves improving performance and efficiency.
Use query folding to push data transformation operations to the data source
Limit the number of visuals on a report page to improve load times
Use aggregations and summary tables to speed up calculations
Avoid using unnecessary calculated columns or measures
Optimize DAX formulas for better performance
Seeking new challenges and growth opportunities
Desire for career advancement
Looking for new challenges
Seeking growth opportunities
Change in company culture or values
Relocation
Better work-life balance
posted on 6 Nov 2015
=== compares value and type, while == only compares value
=== is stricter than == in type checking
=== returns true only if both operands are of the same type and have the same value
== performs type coercion, which can lead to unexpected results
For example, '5' == 5 returns true, but '5' === 5 returns false
I applied via Naukri.com and was interviewed in Mar 2022. There was 1 interview round.
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
Inheritance allows a subclass to inherit properties and methods from a superclass.
Polymorphism allows objects to take on multiple forms and behave differently based on their context.
Encapsulation hides the implementation details of an object and only exposes necessary information.
Abstraction allows for the creation of abstract class...
Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.
Inheritance allows for code reuse and extension of existing classes, reducing code duplication.
Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i
SQL query for joining tables
Use JOIN keyword to combine two or more tables based on a related column
Specify the columns to be selected using SELECT keyword
Use ON keyword to specify the condition for joining the tables
Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
Implemented inheritance to create a base class and derived classes with specific functionalities.
Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.
Implemented exception handling to handle errors and prevent program crashes.
Used interfaces to define a set of methods that a ...
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Overloading is used to provide different ways to call a method with different parameters
Overriding is used to provide a specific implementation of a method in a subclass
Overloading is resolved at compile-time while overriding is r...
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Normal apptitude queations were asked in this round
I applied via Campus Placement and was interviewed before Oct 2023. There was 1 interview round.
based on 2 interviews
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