KALEIDOZONE VR Game Developer Interview Questions and Answers

Javascript array questions like palindrom and others with aptitude

Q1. Skill related technical questions
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Q2. How to share data in components react
Ans. 
Data can be shared between components in React using props, context, or state management libraries like Redux.
• Use props to pass data from parent to child components

• Use context to share data across multiple components without passing props manually

• Use state management libraries like Redux to manage global state and share data between components
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Q3. Prop drilling explain in react
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Prop drilling is the process of passing data through multiple levels of components in React.
• Prop drilling occurs when a component needs to pass data to a deeply nested child component.

• It can lead to code that is hard to maintain and understand.

• One way to avoid prop drilling is by using Context API or Redux for state management.
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Q4. Redux flow explain
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Redux is a predictable state container for JavaScript apps.
• Redux stores the entire state of an application in a single immutable object.

• State changes are made by dispatching actions, which are plain JavaScript objects.

• Reducers specify how the application's state changes in response to actions.

• Redux flow: Action -> Reducer -> Store -> View
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Q1. Previous project discussion
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Q1. How to insert multiple values in one go
Ans. 
Use the INSERT INTO statement with multiple value sets separated by commas
• Use the INSERT INTO statement followed by the table name

• List the column names in parentheses after the table name

• Use the VALUES keyword followed by multiple value sets in parentheses, separated by commas

• Example: INSERT INTO table_name (column1, column2) VALUES (value1, value2), (value3, value4)
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Q2. Update query using joins
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Update query using joins in SQL
• Use UPDATE statement with JOIN clause to update data in multiple tables

• Specify the tables to be updated and joined using ON clause

• Set the columns to be updated in SET clause
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Q1. Technical discussion
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Q1. Manager round and technical discussion
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Q1. Selection processs
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All the basic questions of SQL like joins, index, different between in where and having etc

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Moderate to difficult

Q1. DSA questions based on Dynamic programming
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HTML CSS javascript jQuery

Q1. What is asynchronous And synchronous
Ans. 
Asynchronous and synchronous are programming concepts that determine how tasks are executed.
• Synchronous tasks are executed one after the other, in a sequential manner.

• Asynchronous tasks can be executed simultaneously, without waiting for the previous task to complete.

• Synchronous tasks are easier to understand and debug, while asynchronous tasks are more efficient and can improve performance.

• Examples of synchronous task...read more
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