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Celebal Technologies
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I applied via Newspaper Ad and was interviewed in May 2024. There were 3 interview rounds.
Programing questiion star pattern
ETL is Extract, Transform, Load where data is extracted, transformed, and loaded in that order. ELT is Extract, Load, Transform where data is extracted, loaded, and then transformed.
ETL: Data is extracted from the source, transformed in a separate system, and then loaded into the target system.
ELT: Data is extracted from the source, loaded into the target system, and then transformed within the target system.
ETL is sui...
The difference between the difference is the result of subtracting one value from another.
Difference is the result of subtracting two values.
The difference between two values can be positive, negative, or zero.
For example, the difference between 10 and 5 is 5.
I applied via LinkedIn and was interviewed in Aug 2024. There were 2 interview rounds.
Array , LL , string, dp, binary tree, binary search tree, heaps
Array question , string, dp, binary search tree, heaps
I applied via Campus Placement
Some coding questions, devops mcqs and coding mcqs
Devops is a software development methodology that combines software development (Dev) with IT operations (Ops) to shorten the systems development life cycle.
Devops focuses on collaboration, communication, and integration between software developers and IT operations teams.
It aims to automate the process of software delivery and infrastructure changes to improve the speed and quality of software development.
Devops pract...
Celebal Technologies interview questions for popular designations
I applied via Campus Placement and was interviewed before Jan 2024. There were 3 interview rounds.
The session lasted three hours and covered a wide range of topics, including DBMS, operating systems, SQL, computer networks, command-line interface commands, and data science topics such as Python, Pandas, and NumPy. Advanced topics included error handling and various algorithms like classification and clustering, along with deep learning concepts. Additionally, two data structures and algorithms questions were addressed, one being moderate and the other challenging, focusing on dynamic programming with bitmasking.
Data science involves extracting insights from data using various techniques and tools.
Data collection and cleaning
Exploratory data analysis
Statistical modeling and machine learning
Data visualization
Communication of results
Best practices for handling large data sets include data preprocessing, using distributed computing frameworks, and optimizing storage and retrieval methods.
Perform data preprocessing to clean and transform data before analysis.
Utilize distributed computing frameworks like Hadoop or Spark for parallel processing.
Optimize storage and retrieval methods by using efficient data structures and indexing.
Consider using cloud ...
A confusion matrix is a table that is used to describe the performance of a classification model.
It shows the number of true positives, true negatives, false positives, and false negatives.
It helps in evaluating the performance of a machine learning model by providing insights into the model's accuracy, precision, recall, and F1 score.
It is particularly useful in scenarios where class imbalance exists or when different...
I am a data scientist with a background in statistics and machine learning.
I have a Master's degree in Data Science from XYZ University.
I have worked as a data analyst at ABC Company, where I developed predictive models for customer behavior.
I am proficient in programming languages such as Python and R, and have experience working with big data tools like Hadoop and Spark.
Get interview-ready with Top Celebal Technologies Interview Questions
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
EASY AND SIMPLE NOT TO WORRY
Index in SQL is a data structure that improves the speed of data retrieval operations on a database table.
Indexes are created on columns in a database table to quickly retrieve data based on the values in those columns.
They can be unique or non-unique, clustered or non-clustered.
Indexes can significantly improve the performance of SELECT queries but may slow down INSERT, UPDATE, and DELETE operations.
Examples: CREATE I...
Very hard test with dynamic programming questions almost 6 questions to do in 90 minutes along with MCQs
posted on 18 Mar 2024
I applied via Referral and was interviewed in Feb 2024. There was 1 interview round.
Different types of loans include personal loans, home loans, auto loans, student loans, and business loans.
Personal loans
Home loans
Auto loans
Student loans
Business loans
Secured loans are backed by collateral, while unsecured loans are not.
Secured loans require collateral to secure the loan, such as a house or car
Unsecured loans do not require collateral, but typically have higher interest rates
Secured loans are less risky for lenders, as they have a way to recover their money if the borrower defaults
Examples of secured loans include mortgages and auto loans, while credit cards and per
Credit underwriting procedures differ in Retail and Agri Loans due to varying risk factors and collateral requirements.
Retail loans typically involve individual borrowers with stable income and credit history, while Agri loans involve farmers with fluctuating income and collateral in the form of agricultural assets.
Retail loans may require credit score checks and income verification, while Agri loans may focus more on ...
Yes, I have knowledge of Cloud services such as AWS, Azure, and Google Cloud, as well as SQL databases.
Familiar with Cloud services like AWS, Azure, and Google Cloud
Proficient in SQL databases
Experience in setting up and managing databases in the Cloud
Top trending discussions
The duration of Celebal Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 119 interviews
Interview experience
based on 541 reviews
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