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Teja Technical Services Data Analyst Interview Questions and Answers
Teja Technical Services Data Analyst Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Can you explain what a cell and row in excel
- Ans.
A cell is a single unit within a spreadsheet that holds data, while a row is a horizontal collection of cells.
A cell is identified by its column letter and row number, such as A1 or C5.
Cells can contain various types of data, including numbers, text, formulas, or functions.
Rows are used to organize and display data horizontally in a spreadsheet.
Each row is identified by a number, such as 1, 2, 3, etc.
Rows are commonly ...
- Q2. How would you use vlookup function in excel
- Ans.
VLOOKUP is used to search for a value in a table and return a corresponding value from a different column.
VLOOKUP stands for vertical lookup.
It is commonly used to find and retrieve data from a large dataset.
The function requires four arguments: lookup value, table range, column index, and range lookup.
The lookup value is the value you want to search for.
The table range is the range of cells where the data is stored.
Th...
Interview questions from similar companies
Interview Questionnaire
3 Questions
- Q1. About my self and my experience.
- Q2. What's the reason for leaving previous job?
- Q3. Technical question depends on process.
I applied via Walk-in and was interviewed before Jun 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Da tools
Interview Preparation Tips
I applied via Company Website and was interviewed before Jun 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Python data structures
- Q2. MongoDB database algorithms
- Ans.
MongoDB database algorithms are used for efficient data storage, retrieval, and processing.
MongoDB uses various algorithms for indexing, sharding, and aggregation.
Indexing algorithms include B-tree, hash, and text search indexes.
Sharding algorithms include range-based, hash-based, and zone-based sharding.
Aggregation algorithms include map-reduce and aggregation pipeline.
MongoDB also uses algorithms for query optimizati
Interview Preparation Tips
Skills evaluated in this interview
I was interviewed before Dec 2020.
(1 Question)
Round duration - 120 Minutes
Round difficulty - Medium
- Q1.
Ninja and His Secret Information Encoding Problem
Ninja, a new member of the FBI, has acquired some 'SECRET_INFORMATION' that he needs to share with his team. To ensure security against hackers, Ninja dec...
- Ans.
The task is to encode and decode 'SECRET_INFORMATION' for security purposes and determine if the transmission was successful.
Read the number of test cases 'T'
For each test case, encode the 'SECRET_INFORMATION' and then decode it
Compare the decoded string with the original 'SECRET_INFORMATION'
Print 'Transmission successful' if they match, else print 'Transmission failed'
(1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
- Q1.
Equilibrium Index Problem Statement
Given an array
Arrconsisting of N integers, your task is to find the equilibrium index of the array.An index is considered as an equilibrium index if the sum of elem...
- Ans.
Find the equilibrium index of an array where sum of elements on left equals sum on right.
Iterate through the array and calculate prefix sum and suffix sum at each index.
Compare prefix sum and suffix sum to find equilibrium index.
Return the left-most equilibrium index or -1 if none found.
Round duration - 50 Minutes
Round difficulty - Easy
Interview Preparation Tips
Tip 1 : Focus more on SQL
Tip 2 : Keep up with ongoing projects in the company
Tip 1 : Be honest about what you add.
Tip 2 : Don't forget to mention extra curriculars.
Skills evaluated in this interview
I applied via Walk-in and was interviewed before Aug 2021. There were 2 interview rounds.
(1 Question)
- Q1. How to transpose data set
- Ans.
Transposing a data set involves flipping rows and columns.
Identify the data set to be transposed
Create a new table with the columns and rows flipped
Copy the data from the original table to the new table
Transpose can be done using Excel, Python, R, SQL, etc.
Example: Transposing a table of sales data to have products as rows and months as columns
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed in Aug 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Prior experience,questions related to data analysis tools.
Interview Preparation Tips
The reason behind the offer letter delay is they have to get approvals from multiple teams which creates a delay on the process.
I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.
(1 Question)
- Q1. What is Structured Query Language?
- Ans.
Structured Query Language (SQL) is a programming language used to manage and manipulate relational databases.
SQL is used to create, modify, and delete databases, tables, and data
It is used to retrieve data from databases using queries
SQL is used to perform operations on data such as sorting, filtering, and grouping
Examples of SQL-based database management systems include MySQL, Oracle, and Microsoft SQL Server
Interview Preparation Tips
Skills evaluated in this interview
I was interviewed in Aug 2017.
Interview Preparation Tips
Experience: every one put their views
Tips: just tell anything. no one listen
Duration: 5 minutes
Round: Test
Experience: online test
Tips: do those question which can be solved without usingpen paper first
Duration: 5 minutes
Total Questions: 50
Skills: Relieving Pressure
I was interviewed in Sep 2016.
Interview Questionnaire
2 Questions
- Q1. Behavioral questions, what will you choose knowledge or money?Why?, etc . Other curricular activities that showcase your managerial skills, etc
- Q2. Focused on projects from resume and cross questioning. Can ask you about the tools or languages related questions if you have added that to CV. Followed by guesstimates where you will have to provide detai...
Interview Preparation Tips
Tips: It is advantageous if you have prior experience with data handling tools eg advanced EXCEL , SPSS
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Teja Technical Services Data Analyst Interview Process
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