Virtusa Consulting Services Senior Software Engineer Interview Questions, Process, and Tips

Basics of Sql Queries and Explain the Queries

Q1. SCD types of in ETL
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Q2. SQL Queries with some scenario based
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Q3. What is mean by index
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Q1. Basics of Html CSS & Javascript
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Q2. Projects related
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Q1. Coding question related to arrays and string
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Q2. Coding question to remove duplicate , count frequencies of occurrence of characters
Ans. 
Remove duplicates and count frequencies of characters in an array of strings.
• Iterate through each string in the array

• Use a hashmap to store characters and their frequencies

• Remove duplicates by checking if character already exists in hashmap
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Q1. React and Redux related question with coding questions related to useEffect and other hooks
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Q1. Asked regarding previous experience and willingness for reallocations and gave overall info about the project and tech they hiring for
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Q1. Salary negotiations and experience
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Q1. What is delete and truncate
Ans. 
Delete and truncate are SQL commands used to remove data from a table, but they differ in their functionality.
• DELETE is a DML command used to remove specific rows from a table based on a condition

• TRUNCATE is a DDL command used to remove all rows from a table, resetting auto-increment values

• DELETE can be rolled back, while TRUNCATE cannot be rolled back

• DELETE triggers delete triggers, while TRUNCATE does not trigger any...read more
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Q2. What is mean by Null
Ans. 
Null is a value that represents the absence of a value or a placeholder.
• Null is often used in programming to indicate that a variable does not have a value assigned to it.

• It is different from an empty string or zero, as it specifically means 'no value'.

• For example, a database field may have a null value if no data has been entered for that field.
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Q1. What are dependency we added in POM.xml file for mobile automation
Ans. 
We added dependencies like Appium, TestNG, Selenium, and Apache POI in POM.xml for mobile automation.
• Appium dependency for mobile automation testing

• TestNG dependency for test execution and reporting

• Selenium dependency for web automation

• Apache POI dependency for reading and writing Excel files
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Q2. What is the adb devices command and when we are use it
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adb devices command is used to list all Android devices connected to a computer via USB debugging
• Used to check the list of Android devices connected to the computer for debugging purposes

• Helps in identifying the device ID and status (offline, online, unauthorized)

• Commonly used in Android development for testing and debugging

• Example: 'adb devices' command will display a list of connected devices with their respective st
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