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Data science is a field that uses scientific methods, algorithms, and systems to extract knowledge and insights from structured and unstructured data.
Data science involves collecting, analyzing, and interpreting large amounts of data to solve complex problems.
It combines statistics, machine learning, and domain knowledge to make predictions and decisions.
Data scientists use programming languages like Python and R, as w...
A decision tree is a flowchart-like structure in which each internal node represents a test on an attribute, each branch represents the outcome of the test, and each leaf node represents a class label.
Decision trees are a popular machine learning algorithm used for classification and regression tasks.
They are easy to interpret and visualize, making them useful for understanding the decision-making process.
Each internal...
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posted on 3 Nov 2022
I applied via Campus Placement and was interviewed before Nov 2021. There were 3 interview rounds.
There are 30 basic aptitude question in 30 minutes
3 coding question 2 were easy and 1 was of medium level
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
It have some aptitude question and 2 coding question
Quant verbal LRDI ,normal question
Dsa array and 2D array
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
It is pretty good only.
ACID properties are a set of properties that guarantee database transactions are processed reliably.
Atomicity: Transactions are either fully completed or fully aborted.
Consistency: Database remains in a consistent state before and after the transaction.
Isolation: Transactions are isolated from each other until they are completed.
Durability: Once a transaction is committed, changes are permanent.
Example: Transfer of fun...
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
Fail fast iterator throws ConcurrentModificationException if the collection is modified while iterating. Fail safe iterator does not throw exception but works on clone of collection.
Fail fast iterator checks for modification during iteration and throws ConcurrentModificationException if found.
Fail safe iterator works on clone of collection and does not throw exception if collection is modified.
Example: ArrayList iterat...
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