Cognizant Software Engineer Interview Questions, Process, and Tips

Questions about Java

Hackerrank test on basics of code

Multiple questions related to basic program

Q1. Writing length of string without length method
Ans. 
Use a loop to iterate through each character in the string and count the characters until reaching the end.
• Iterate through each character in the string using a loop

• Increment a counter for each character encountered

• Stop when reaching the end of the string
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Q1. Dotnet related question and various versions
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Q2. Sql server related questions
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Q1. With subject questions,joins, triggers,packages, procedure and functions.
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Q2. What is sequence
Ans. 
A sequence is a ordered list of elements or events following a specific pattern or order.
• A sequence can be in ascending or descending order.

• Examples include Fibonacci sequence, arithmetic progression, and DNA sequence.

• Sequences can be finite or infinite.
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Q3. What is views and materialized views
Ans. 
Views and materialized views are database objects that store queries and results for easy access and improved performance.
• Views are virtual tables created by a query, allowing users to access specific data without storing it physically.

• Materialized views are physical copies of query results that are stored on disk, improving performance by reducing the need to re-run the query.

• Materialized views need to be refreshed pe...read more
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Q4. What is the differences joins.
Ans. 
Joins are used in databases to combine rows from two or more tables based on a related column between them.
• Inner Join: Returns rows when there is at least one match in both tables.

• Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.

• Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.

• Full Join (or Full...read more
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Q5. What is difference procedure and functions.
Ans. 
Procedures do not return values while functions return values.
• Procedures are a set of instructions that perform a specific task without returning a value.

• Functions are a set of instructions that perform a specific task and return a value.

• Procedures are called using the CALL statement in SQL.

• Functions are called by using their name followed by parentheses containing any arguments.
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Easy questions and timing is sufficient

Q1. Asp.net mvc, and basics
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Q1. Basic. Net questions
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