Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview
SDE - 2
Tata Consultancy Services (TCS)
3 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 7 months
Topics: Data Structures, Dynamic Programming, OOPS, Computer Networks, System Design
Tip 1 : Do minimum 3 projects
Tip 2 : Prepare every topic of DSA for interview
Tip 3 : Hands on experience in performing MySql commands
Application process
Where: Company Website
Eligibility: Above 6.5 CGPA
Tip 1 : Be precise and don't bluff
Tip 2 : Learn atleast 2 programming languages
Tip 3 : Do projects on latest technologies like Artificial Intelligence and Machine Learning
Interview rounds
01
Round
Hard
Online Coding Interview
Duration180 minutes
Interview date13 Nov 2020
Coding problem1
Timing: 8 a.m. to 11a.m.
Environment was optimum.
No significant activity.
1. Edit Distance
Moderate
30m average time
70% success
0/80
Asked in companies
You are given two strings 'S' and 'T' of lengths 'N' and 'M' respectively. Find the "Edit Distance" between the strings.
Edit Distance of two strings is the minimum number of steps required to make one string equal to the other. In order to do so, you can perform the following three operations:
1. Delete a character
2. Replace a character with another one
3. Insert a character
Note:
Strings don't contain spaces in between.
02
Round
Medium
Video Call
Duration30 minutes
Interview date10 Sep 2020
Coding problem1
Timing: 12:00 p.m. to 12:30 p.m.
The environment was quite good.
No significant activity.
Interviewers were very friendly. They were behaving like friends.
1. SQL Qusestions
What is the difference between drop and truncate?
How would you sort and display a column of table in descending order?
Create a table with primary key.
Set the marks of student to 50 whose address is Patna ( Table was already provided)
03
Round
Easy
HR Round
Duration15 minutes
Interview date20 Sep 2020
Coding problem1
Timing: 3:00 p.m. to 3:20 p.m.
Environment was very good.
No significant activity was monitored.
HR was very good and friendly.
1. Basic HR Questions
Why tcs?
What are your expectations?
Where do you see yourself in 5 years?
Problem approach
Tip 1 : Answered yes to relocation questions.
Tip 2 : Told them that I am not interested in studying further.
Tip 3 : I answered honestly on what would I choose my hometown(Patna) for work or my college location(Kolkata).
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
What does ROLLBACK do in DBMS?
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