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Airflow is an open-source platform used to programmatically author, schedule, and monitor workflows.
Airflow allows users to define workflows as Directed Acyclic Graphs (DAGs)
It provides a web-based UI for visualization and monitoring of workflows
Airflow supports various integrations with different systems and tools
Tasks in Airflow can be Python functions, scripts, or external processes
A DAG in Airflow stands for Directed Acyclic Graph, representing a workflow of tasks with dependencies.
DAG is a collection of tasks with defined dependencies between them
Tasks are represented as nodes and dependencies as edges in the graph
Tasks can be scheduled to run at specific times or based on triggers
Example: DAG for ETL process - extract data, transform data, load data
A datapipeline is a system that processes and moves data from one location to another in a structured and efficient manner.
Datapipelines are designed to automate the flow of data between systems or applications.
They typically involve extracting data from various sources, transforming it into a usable format, and loading it into a destination for analysis or storage.
Examples of datapipelines include ETL (Extract, Transf...
Various types of inbuilt operators include arithmetic, assignment, comparison, logical, bitwise, and ternary operators.
Arithmetic operators perform basic mathematical operations (+, -, *, /, %)
Assignment operators assign values to variables (=, +=, -=, *=, /=)
Comparison operators compare two values and return a boolean result (==, !=, >, <, >=, <=)
Logical operators perform logical operations on boolean values (&&, ||, ...
File sensor operators are used to read data from files in a streaming data pipeline.
File sensor operators are used in data processing pipelines to read data from files and pass it along the pipeline.
They are commonly used in ETL (Extract, Transform, Load) processes to ingest data from files into a database or data warehouse.
File sensor operators can be used to monitor directories for new files and trigger data processi...
I applied via Walk-in and was interviewed before Nov 2022. There were 2 interview rounds.
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I applied via Naukri.com and was interviewed before Nov 2021. There were 2 interview rounds.
posted on 5 Apr 2021
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
Flip-flops and latches are sequential logic circuits used to store and manipulate binary data.
Flip-flops are edge-triggered devices, while latches are level-sensitive devices.
Flip-flops have separate clock and data inputs, while latches have a single input for both clock and data.
Flip-flops are used in synchronous circuits, while latches are used in asynchronous circuits.
Flip-flops are more complex and require more cir...
posted on 22 Aug 2024
I applied via Job Fair and was interviewed in Jul 2024. There was 1 interview round.
50 question paper filled in 30min
posted on 21 Aug 2024
I applied via Campus Placement and was interviewed before Aug 2023. There was 1 interview round.
A zip file is a compressed file format used to store multiple files and folders together.
Zip files are commonly used for reducing file size and organizing multiple files into a single archive.
They can be created, extracted, and manipulated using various software tools.
Examples of software that can work with zip files include WinZip, 7-Zip, and built-in tools like Windows Explorer.
Zip files can be password protected for...
I applied via Referral and was interviewed before Oct 2022. There were 5 interview rounds.
5 DSA Questions 2 Easy, 2Medium, 1 Hard, hackerrank
Find the largest vertical rectangle in an array of strings
Iterate through each column in the array
For each column, find the consecutive vertical rectangles of '1's
Calculate the area of each rectangle and keep track of the largest one
I applied via Approached by Company and was interviewed before Sep 2023. There were 4 interview rounds.
Hackerearth platform was provided , Question was based on Tree dsa. Need to run and pass few test cases.
Design patterns , chess LLD
Design blocking queue which can handle the multithreading scenario
Developed a web application for tracking inventory and sales data
Used React for front-end development
Implemented RESTful APIs using Node.js and Express
Utilized MongoDB for database management
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