NexGen Tech Solutions Support Engineer Interview Questions and Answers

1st Round was aptitude question and MCQ based on SQL and java

Q1. Basics SQL question and they are checking our communication skills
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Q2. Insert syntax How to delete in SQL. Sql commands
Ans. 
SQL delete syntax and commands.
• Use the DELETE statement followed by the table name.

• Add a WHERE clause to specify the rows to be deleted.

• Use the TRUNCATE statement to delete all rows in a table.

• Use the DROP statement to delete an entire table.

• Be careful when deleting data as it cannot be recovered.

• Examples: DELETE FROM table_name WHERE column_name = value;

• TRUNCATE TABLE table_name;

• DROP TABLE table_name;
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Q3. Difference between cluster index and non clustered index
Ans. 
Clustered index determines the physical order of data in a table while non-clustered index creates a separate structure.
• Clustered index sorts and stores the data rows in the table based on their key values

• Non-clustered index creates a separate structure that contains the key values and a pointer to the data row

• A table can have only one clustered index while multiple non-clustered indexes can be created

• Clustered index i...read more
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Q4. Joins. Left outer join.
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Q1. Sql queries, 2 maximum age
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Q2. Question based on Java bcous i mentioned java in my resume and SQL based questions
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Q1. Releted to Education and Job description
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3 liter and 5 liter can water puzzle

Q1. Linus operating system basics
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Q1. Hospital sector work experience
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Q1. About your self and your family
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Q2. Reason for joining in Dozee
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