NSE.IT Software Engineer Interview Questions and Answers

Q1. Explain datawindow in powerbuilder
Ans. 
DataWindow is a GUI control in PowerBuilder used to display and manipulate data from a database.
• DataWindow can be used to retrieve data from a database, display it in a tabular format, and allow users to edit the data.

• It supports various data sources such as SQL, ODBC, and XML.

• DataWindow can also be used to create reports and graphs.

• It provides various features such as sorting, filtering, grouping, and computed columns...read more
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Q1. What is the code to reverse a string without reversing its words in C++?
Ans. 
This code reverses the characters of a string while keeping the order of words intact in C++.
• Split the string into words using a space as a delimiter.

• Reverse the entire string to get the characters in reverse order.

• Reverse each individual word to restore their original order.

• Example: Input: 'Hello World' -> Output: 'dlroW olleH'
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Q2. What is the code implementation for deep copy and shallow copy in programming?
Ans. 
Deep copy creates a new object with copies of nested objects; shallow copy copies references to nested objects.
• Shallow Copy: Copies the object's reference, not the actual object. Example: `list2 = list1.copy()`.

• Deep Copy: Creates a new object and recursively copies all objects found in the original. Example: `import copy; list2 = copy.deepcopy(list1)`.

• Shallow Copy is faster but can lead to unintended side effects if th...read more
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Q3. What SQL query can be used to return results where the age is greater than 2?
Ans. 
Use a SQL query to filter records where age is greater than 2.
• Basic SQL syntax: SELECT column_name FROM table_name WHERE condition;

• Example query: SELECT * FROM users WHERE age > 2;

• This query retrieves all records from the 'users' table where the age column has values greater than 2.

• Ensure the 'age' column is of a numeric type to avoid errors.
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Q1. Python questions
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It was pretty simple like all the other aptitude tests

Q1. Tell me something about you that is not mentioned in your resume
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Q2. Tell me about your weaknesses
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