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ETL testing is the process of verifying the accuracy and completeness of data after it has been extracted, transformed, and loaded into a target system.
ETL testing involves validating data at each stage of the ETL process
It ensures that data is transformed correctly and loaded into the target system without any errors
ETL testing also involves checking for data quality and consistency
Examples of ETL testing tools includ...
Dimensions in SQL are of two types: Fact and Dimension. SQL queries are used to retrieve data from a database.
Fact dimensions contain numeric values and are used to measure the performance of a business process.
Dimension tables contain descriptive attributes and are used to filter and group data.
SQL queries can be used to retrieve data from one or more tables using various clauses like SELECT, FROM, WHERE, GROUP BY, HA...
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What people are saying about Synechron
I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.
Advanced javascript data structure and algorithms questions
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Synechron interview questions for designations
I appeared for an interview before Dec 2015.
I applied via Walk-in and was interviewed before Jan 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Nov 2019. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Mar 2021. There were 2 interview rounds.
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I applied via Referral and was interviewed before Dec 2020. There were 3 interview rounds.
based on 3 interviews
1 Interview rounds
based on 23 reviews
Rating in categories
Technical Lead
2.7k
salaries
| ₹12 L/yr - ₹40 L/yr |
Senior Associate
1.8k
salaries
| ₹8.1 L/yr - ₹27 L/yr |
Senior Software Engineer
1.5k
salaries
| ₹13 L/yr - ₹28 L/yr |
Senior Associate Technology L1
1k
salaries
| ₹9 L/yr - ₹29 L/yr |
Associate Specialist
807
salaries
| ₹12.1 L/yr - ₹40.5 L/yr |
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