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Joins in SQL combine rows from two or more tables based on related columns.
INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;
LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;
RIGHT JOIN: Returns all records from the right table and matched records from t...
Print and echo are both used to output data in PHP, but they have key differences in usage and behavior.
echo can take multiple parameters: echo 'Hello', 'World';
print can only take one argument: print 'Hello World';
echo is slightly faster than print because it doesn't return a value;
print returns 1, so it can be used in expressions: $result = print 'Hello';
echo does not require parentheses: echo 'Hello'; while pri...
Triggers are used to perform custom actions before or after specific events, while Process Builders are used to automate business processes.
Triggers are written in Apex code, while Process Builders are point-and-click tools in Salesforce.
Triggers can handle complex logic and multiple objects, while Process Builders are more declarative and easier to use.
Triggers execute at the database level, while Process Builder...
Storefront apk is a mobile application package file used for online shopping platforms.
Storefront apk is a file format used for Android apps that provide online shopping services.
It contains all the necessary files and resources for the app to function properly.
Users can download and install the storefront apk on their Android devices to access the online shopping platform.
Examples of storefront apks include Amazo...
Frontmatter is metadata at the beginning of a document, often used in markdown files to provide information about the content.
Frontmatter is typically written in YAML, JSON, or TOML format.
It is used to specify attributes such as title, author, date, and layout of a document.
Frontmatter is commonly used in static site generators like Jekyll or Hugo.
Mixin is a way to reuse code in multiple classes by including the code in another class.
Mixin allows for code reuse by combining methods and attributes from multiple classes into a single class.
It helps in avoiding code duplication and promotes modular design.
An example of mixin is a class 'Logger' that contains logging methods and can be included in other classes to enable logging functionality.
Assets pipeline in Rails is a feature that helps manage and compile assets like CSS, JavaScript, and images for a Rails application.
The assets pipeline in Rails combines and minifies assets to improve performance.
It allows for easy organization and management of assets in a Rails project.
By default, Rails uses Sprockets as the assets pipeline to handle asset compilation and management.
You can customize the assets ...
A program for polymer involves creating a code to model the behavior of polymer chains.
Define the structure of a polymer chain using classes or data structures
Implement functions to simulate polymer chain movement and interactions
Consider factors like chain length, bond angles, and energy levels in the simulation
Code a revised string by replacing certain characters with specified values.
Create a function that takes in a string and an array of replacement values
Iterate through the string and replace characters based on the replacement values
Return the revised string
Reverse a string in C# without using built-in features
Create a character array from the input string
Use two pointers to swap characters at the beginning and end of the array
Continue swapping until the pointers meet in the middle
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
Maths ,english ,reasoning, puzzles
Jackeron was the platform
Please pose a question related to Python and also write a Python program, in addition to inquiring about Django.
I applied via Approached by Company and was interviewed in Feb 2024. There were 3 interview rounds.
Only 1 or 2 question ask
Print the recurrence relations
I applied via Referral and was interviewed before Nov 2023. There was 1 interview round.
A program for polymer involves creating a code to model the behavior of polymer chains.
Define the structure of a polymer chain using classes or data structures
Implement functions to simulate polymer chain movement and interactions
Consider factors like chain length, bond angles, and energy levels in the simulation
I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Ability of a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and ...
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The duration of Chetu Software Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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