Tata Elxsi Senior Software Engineer Interview Questions, Process, and Tips

Q1. Explain about the services in android
Ans. 
Services in Android are components that run in the background to perform long-running operations.
• Services can be used to play music in the background while the user interacts with other apps.

• They can also be used to download files from the internet even when the app is not in the foreground.

• Services can run indefinitely or be scheduled to run at specific times.

• They can communicate with other components using broadcasts
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Q2. MVVM architecture
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Q1. What is sql joins
Ans. 
SQL joins are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables in a single query

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
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Q2. Explain about redshift
Ans. 
Redshift is a fully managed data warehouse service provided by Amazon Web Services (AWS).
• Redshift is designed for analytic workloads and can handle large datasets.

• It uses columnar storage to optimize query performance.

• Redshift allows users to run complex queries across multiple databases.

• It integrates with various BI tools like Tableau, Looker, and Power BI.

• Redshift Spectrum enables users to run queries against data st
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Normal java question

Q1. Why are leaving current job
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Q1. C code for finding 2nd smalleset and 2nd largest
Ans. 
Use C code to find the 2nd smallest and 2nd largest elements in an array.
• Sort the array in ascending order to find the 2nd smallest element.

• Sort the array in descending order to find the 2nd largest element.
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