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I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
ETL process involves extracting data from various sources, transforming it to fit business needs, and loading it into a target database.
Extract: Retrieve data from different sources like databases, files, APIs, etc.
Transform: Clean, filter, aggregate, and convert data to meet business requirements.
Load: Insert the transformed data into a target database or data warehouse.
Example: Extracting sales data from a CRM system...
Use os.path.getsize() to check if file size is 0
Use os.path.getsize() to get the size of the file in bytes
Check if the size is 0 to determine if the file is empty
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I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
I was interviewed in Aug 2021.
Shuffling can be reduced by optimizing data partitioning and minimizing data movement.
Use partitioning techniques like bucketing and sorting to minimize shuffling
Avoid using wide transformations like groupBy and join
Use broadcast variables to reduce data movement
Optimize cluster configuration and resource allocation
Use caching and persistence to avoid recomputation
Consider using columnar storage formats like Parquet or
I applied via Naukri.com and was interviewed before Jul 2020. There were 5 interview rounds.
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
I applied via Referral and was interviewed in Aug 2021. There was 1 interview round.
I applied via Job Portal and was interviewed before May 2023. There were 2 interview rounds.
I was interviewed before Jan 2024.
The question is asking about the candidate's last drawn salary (CTC).
CTC stands for Cost to Company and refers to the total salary package of an employee including all benefits and perks.
The candidate should provide the exact amount or range of their last drawn CTC.
It is important to be honest and transparent about the last CTC to negotiate effectively for the new role.
I applied via Naukri.com and was interviewed before Dec 2022. There were 3 interview rounds.
My expected CTC is in line with industry standards for a Sr. Engineer role.
Research industry standards for Sr. Engineer roles in the current market
Consider my years of experience, skills, and qualifications when determining my expected CTC
Be open to negotiation based on the overall compensation package offered
Star-Delta wiring diagram involves connecting a motor in two different configurations for starting and running.
Star connection involves connecting all three terminals of the motor windings together to form a star shape.
Delta connection involves connecting the terminals in a triangular shape.
Switching between star and delta configurations is done using a special motor starter.
Star-Delta wiring is commonly used for reduc...
Star-delta ladder logic is used to control the starting method of a three-phase induction motor.
Use two sets of contactors to switch between star and delta connections.
Implement a timer to delay the transition from star to delta.
Include overload protection for the motor.
Ensure proper interlocking to prevent simultaneous connection of star and delta.
Test the ladder logic thoroughly before implementation.
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