Automatic Data Processing (ADP) SQL Developer Interview Questions and Answers

Sql coding challenge

Q1. Syntax of stored procedure What is cursors Joins Cte
Ans. 
Stored procedures are used to store SQL queries for reuse. Cursors are used to iterate through a result set. Joins combine data from multiple tables. CTEs are temporary result sets.
• Stored procedures are used to store SQL queries for reuse

• Cursors are used to iterate through a result set

• Joins combine data from multiple tables

• Common Table Expressions (CTEs) are temporary result sets
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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
Ans. 
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
Ans. 
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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Coding based on dsa

Q1. OOps question on inheritance
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Q2. Trees ,DP and linkedlist qustion
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Q3. Above mention quetions based on that
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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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Information technology

Structure Query language

Mobile communication

Calculator code of addition substraction and multiplication

CODING TEST OF how to add 2 numbers

Coding test of how to use loops

Q1. Whats your salary expectation
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