Google SQL Developer Interview Questions and Answers

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Q1. All questions related to SQL and some python questions
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Q2. Explain about VIEW in SQL
Ans. 
A VIEW in SQL is a virtual table created by a query. It does not store data itself but displays data from one or more tables.
• Views are used to simplify complex queries by storing them as a virtual table.

• They can be used to restrict access to specific columns or rows of a table.

• Views can also be used to join multiple tables and present the data in a more readable format.

• Changes made to the underlying tables are reflecte...read more
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Q1. Reverse the items in the array with highest values skip the lowest
Ans. 
Reverse items in array with highest values, skipping the lowest
• Sort the array in descending order

• Skip the lowest value(s)

• Reverse the remaining items
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Q2. Kotlin coroutines
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Q3. Java interface and abstract class difference
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Java interface defines a contract for classes to implement, while abstract class provides common functionality for subclasses.
• Interface can only have abstract methods, while abstract class can have both abstract and non-abstract methods.

• A class can implement multiple interfaces but can only extend one abstract class.

• Interfaces are used to achieve multiple inheritance in Java, while abstract classes are used to provide ...read more
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Q4. MVVM Pattern in android
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MVVM is a design pattern used in Android development to separate the UI logic from the business logic.
• MVVM stands for Model-View-ViewModel

• Model represents the data and business logic

• View is the UI component that displays the data

• ViewModel acts as a mediator between the Model and View, handling the UI logic and data manipulation

• MVVM helps in maintaining a clean and organized codebase
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Q1. Java and python based questions
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OnCampus Test including DSA Questions

Q1. Introduce yourself
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Q2. DSA Question based on Dynamic Programming
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Q1. What is closures
Ans. 
Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.
• Closures allow functions to access variables from their parent function even after the parent function has returned.

• They help in creating private variables and functions in JavaScript.

• Closures are commonly used in event handlers and callbacks.
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Q2. What is call apply bind
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call, apply, and bind are methods in JavaScript used to manipulate the context of a function.
• call() is used to invoke a function with a specified 'this' value and arguments provided individually.

• apply() is similar to call() but arguments are passed as an array.

• bind() is used to create a new function with a specified 'this' value and initial arguments.
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Q1. Basic queries related to SQL and concepts of plsql
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Q1. More of managerial round
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Q1. All the questions related to my resume
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Q2. Questions on my project, my internships earlier
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Q3. And my knowledge about Java and basic knowledge of web development
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