TCS iON Associate Application Developer Interview Questions and Answers

The questions are medium level more questions on quantitive apptitude

Three questions based on array , string,and time complexity

Q1. Ask about your projects and what language you have learn ( besic question )
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Q2. Are able to travel accros navi mumbai and mumbai region as per client location and shift are compulsary to follow
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Q1. Same quesiton regarding traveling and work in shift
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It was not that tough. If you prepare well you can do well

Q1. Oops Aql query syntax
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Q2. Some personal questions to know about background like college and university
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Q1. Asked about college and other things
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Q1. Select from employees tables all those who don't work in any department.
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Q2. What is a cursor and write a query
Ans. 
A cursor is a database object used to retrieve data from a result set one row at a time.
• A cursor is used to iterate through a result set.

• It can be used to update or delete rows in a table.

• Example query: DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;

• Example usage: OPEN cursor_name; FETCH NEXT FROM cursor_name INTO @variable1, @variable2;

• Example usage: CLOSE cursor_name; DEALLOCATE cursor_name;
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Q3. How early you can join
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4 coding question easy level questions based on arrays and strings

Code pairing round need to use oops to solve the problem

Q1. Two sum problem
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Q2. Internal working of hashmap
Ans. 
HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap uses hashing to store and retrieve key-value pairs

• It uses an array of linked lists to handle collisions

• The key's hash code is used to determine the index in the array where the key-value pair is stored

• HashMap allows one null key and multiple null values

• Example: HashMap<String, Integer> map = new
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Q3. Sql queries on aggregate function
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Q1. Gender equality
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Q2. Situation based question
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Simple aptitude , 3 coding question on basic,2Sql question

Simple topics of current affairs

Q1. Tell me about your self
Ans. 
I am a highly motivated Applications Engineer with a strong background in software development and problem-solving skills.
• Experienced in developing and implementing software applications

• Skilled in troubleshooting and resolving technical issues

• Strong communication and teamwork abilities

• Proficient in programming languages such as Java, C++, and Python
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Normal basic apti question

Q1. Tell me about your self
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