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ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a data warehouse.
Extract: Data is extracted from multiple sources such as databases, files, APIs, etc.
Transform: Data is cleaned, normalized, and transformed into a consistent format suitable for analysis.
Load: The transformed data is loaded into a data warehouse or...
Primary key uniquely identifies each record in a table, while foreign key establishes a link between two tables.
Primary key ensures each record is unique
Foreign key establishes a relationship between tables
Primary key can be a single column or a combination of columns
Foreign key references the primary key of another table
I applied via Naukri.com and was interviewed before Sep 2022. There were 2 interview rounds.
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posted on 17 Aug 2024
I applied via Approached by Company and was interviewed before Aug 2023. There were 2 interview rounds.
I am most proficient in Java.
Extensive experience in developing applications using Java
Strong understanding of object-oriented programming principles
Familiarity with popular Java frameworks like Spring and Hibernate
I would design a system using scalable architecture, efficient data storage, and optimized query processing.
Utilize a distributed database system like Cassandra or Hadoop for storing large volumes of data
Implement data partitioning and sharding to distribute the data across multiple servers
Use indexing and caching mechanisms to optimize query performance
Employ load balancing techniques to evenly distribute incoming req...
posted on 17 Aug 2023
I applied via Referral and was interviewed before Aug 2022. There were 2 interview rounds.
I applied via Walk-in and was interviewed before Dec 2020. There were 5 interview rounds.
The neutral axis is the line where the stress is zero in a reinforced concrete structure.
The neutral axis divides the cross-section of the structure into two parts: the compression zone and the tension zone.
The depth of the neutral axis depends on the moment of resistance of the section and the bending moment applied.
The position of the neutral axis affects the amount of reinforcement required in the tension zone.
The n...
I applied via Monster and was interviewed before Apr 2023. There were 3 interview rounds.
Question are hard in panel
I am currently earning a salary of $60,000 per year.
My current annual salary is $60,000
I am earning $5,000 per month
My total compensation package is $60,000
The company name is XYZ Corporation, a leading data analytics firm specializing in providing insights for businesses.
XYZ Corporation is a data analytics firm
Specializes in providing insights for businesses
It is very good in study for
Further studies.
posted on 7 Jun 2024
posted on 28 Oct 2022
I applied via Recruitment Consulltant and was interviewed before Oct 2021. There were 3 interview rounds.
Not applicable , this was final round
Absolute xpath specifies the complete path from the root element to the desired element, while relative xpath specifies the path relative to the current element.
Absolute xpath starts with a single forward slash (/) and is more specific.
Relative xpath starts with a double forward slash (//) and is more flexible.
Absolute xpath is more prone to breaking if the structure of the page changes.
Relative xpath is easier to main...
posted on 17 Aug 2023
I applied via Walk-in and was interviewed before Aug 2022. There were 3 interview rounds.
based on 2 interviews
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